100321012013231 has 16 divisors (see below), whose sum is σ = 100840992975360. Its totient is φ = 99801939108480.

The previous prime is 100321012013227. The next prime is 100321012013281. The reversal of 100321012013231 is 132310210123001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100321012013231 - 2² = 100321012013227 is a prime.

It is a super-2 number, since 2×100321012013231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321012013281) 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, 983845256 + ... + 983947218.

It is an arithmetic number, because the mean of its divisors is an integer number (6302562060960).

Almost surely, 2^{100321012013231} is an apocalyptic number.

100321012013231 is a deficient number, since it is larger than the sum of its proper divisors (519980962129).

100321012013231 is a wasteful number, since it uses less digits than its factorization.

100321012013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106366.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 100321012013231 its reverse (132310210123001), we get a palindrome (232631222136232).

The spelling of 100321012013231 in words is "one hundred trillion, three hundred twenty-one billion, twelve million, thirteen thousand, two hundred thirty-one".