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101231120322 = 23252611068989
BaseRepresentation
bin101111001000111011…
…0000100111111000010
3100200021222012201211200
41132101312010333002
53124310131322242
6114301022122030
710212413216403
oct1362166047702
9320258181750
10101231120322
1139a28368012
1217752120316
1397138abac7
144c847719aa
15297737104c
hex1791d84fc2

101231120322 has 24 divisors (see below), whose sum is σ = 219375989820. Its totient is φ = 33737261280.

The previous prime is 101231120293. The next prime is 101231120329. The reversal of 101231120322 is 223021132101.

101231120322 is a `hidden beast` number, since 1 + 0 + 12 + 311 + 20 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97957106361 + 3274013961 = 312981^2 + 57219^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101231120295 and 101231120304.

It is not an unprimeable number, because it can be changed into a prime (101231120329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439797 + ... + 629192.

Almost surely, 2101231120322 is an apocalyptic number.

101231120322 is an abundant number, since it is smaller than the sum of its proper divisors (118144869498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101231120322 is a wasteful number, since it uses less digits than its factorization.

101231120322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074258 (or 1074255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101231120322 its reverse (223021132101), we get a palindrome (324252252423).

The spelling of 101231120322 in words is "one hundred one billion, two hundred thirty-one million, one hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 5261 10522 15783 31566 47349 94698 1068989 2137978 3206967 6413934 9620901 19241802 5623951129 11247902258 16871853387 33743706774 50615560161 101231120322