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210023330031 = 3319079407707
BaseRepresentation
bin1100001110011001011…
…1011011000011101111
3202002002212221121102000
43003212113123003233
511420111433030111
6240252224503343
721113400564354
oct3034627330357
9662085847360
10210023330031
1181085770429
123485447ab53
1316a60ab76a8
14a24539862b
1556e33dec56
hex30e65db0ef

210023330031 has 16 divisors (see below), whose sum is σ = 311162745600. Its totient is φ = 140007871224.

The previous prime is 210023330009. The next prime is 210023330039. The reversal of 210023330031 is 130033320012.

210023330031 is a `hidden beast` number, since 2 + 100 + 233 + 300 + 31 = 666.

It is not a de Polignac number, because 210023330031 - 233 = 201433395439 is a prime.

It is a super-2 number, since 2×2100233300312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210023329986 and 210023330013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210023330039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311280 + ... + 718986.

It is an arithmetic number, because the mean of its divisors is an integer number (19447671600).

Almost surely, 2210023330031 is an apocalyptic number.

210023330031 is a deficient number, since it is larger than the sum of its proper divisors (101139415569).

210023330031 is a wasteful number, since it uses less digits than its factorization.

210023330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426795 (or 426789 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 210023330031 its reverse (130033320012), we get a palindrome (340056650043).

The spelling of 210023330031 in words is "two hundred ten billion, twenty-three million, three hundred thirty thousand, thirty-one".

Divisors: 1 3 9 27 19079 57237 171711 407707 515133 1223121 3669363 11008089 7778641853 23335925559 70007776677 210023330031