100321431213 has 64 divisors (see below), whose sum is σ = 147996921600. Its totient is φ = 60197437440.

The previous prime is 100321431209. The next prime is 100321431241. The reversal of 100321431213 is 312134123001.

It is not a de Polignac number, because 100321431213 - 2² = 100321431209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100321431213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321431313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77348181 + ... + 77349477.

It is an arithmetic number, because the mean of its divisors is an integer number (2312451900).

Almost surely, 2^100321431213 is an apocalyptic number.

It is an amenable number.

100321431213 is a deficient number, since it is larger than the sum of its proper divisors (47675490387).

100321431213 is a wasteful number, since it uses less digits than its factorization.

100321431213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 100321431213 its reverse (312134123001), we get a palindrome (412455554214).

The spelling of 100321431213 in words is "one hundred billion, three hundred twenty-one million, four hundred thirty-one thousand, two hundred thirteen".