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210023032321431 = 32713769113520991
BaseRepresentation
bin101111110000001111001100…
…001111000111010110010111
31000112122000011020020110122200
4233300033030033013112113
5210012004132233241211
62022403125445055543
762144443346326230
oct5760171417072627
91015560136213580
10210023032321431
1160a132a450235a
121b67ba546b75b3
1390261190b2064
1439c1251a56087
1519432ab078b56
hexbf03cc3c7597

210023032321431 has 48 divisors (see below), whose sum is σ = 349286011895808. Its totient is φ = 119119880246400.

The previous prime is 210023032321423. The next prime is 210023032321433. The reversal of 210023032321431 is 134123230320012.

210023032321431 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 2 + 303 + 2 + 321 + 4 + 31 = 666.

It is not a de Polignac number, because 210023032321431 - 23 = 210023032321423 is a prime.

It is a super-2 number, since 2×2100230323214312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210023032321395 and 210023032321404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210023032321433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57888346 + ... + 61409336.

It is an arithmetic number, because the mean of its divisors is an integer number (7276791914496).

Almost surely, 2210023032321431 is an apocalyptic number.

210023032321431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

210023032321431 is a deficient number, since it is larger than the sum of its proper divisors (139262979574377).

210023032321431 is a wasteful number, since it uses less digits than its factorization.

210023032321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528052 (or 3528049 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 210023032321431 its reverse (134123230320012), we get a palindrome (344146262641443).

The spelling of 210023032321431 in words is "two hundred ten trillion, twenty-three billion, thirty-two million, three hundred twenty-one thousand, four hundred thirty-one".

Divisors: 1 3 7 9 21 63 137 411 959 1233 2877 6911 8631 20733 48377 62199 145131 435393 946807 2840421 3520991 6627649 8521263 10562973 19882947 24646937 31688919 59648841 73940811 221822433 482375767 1447127301 3376630369 4341381903 10129891107 24333568801 30389673321 73000706403 170334981607 219002119209 511004944821 1533014834463 3333698925737 10001096777211 23335892480159 30003290331633 70007677440477 210023032321431