231322113102 has 32 divisors (see below), whose sum is σ = 487017014400. Its totient is φ = 73045624608.

The previous prime is 231322113059. The next prime is 231322113137. The reversal of 231322113102 is 201311223132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526468 + ... + 3591464.

It is an arithmetic number, because the mean of its divisors is an integer number (15219281700).

Almost surely, 2^231322113102 is an apocalyptic number.

231322113102 is an abundant number, since it is smaller than the sum of its proper divisors (255694901298).

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

231322113102 is a wasteful number, since it uses less digits than its factorization.

231322113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96240.

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

Adding to 231322113102 its reverse (201311223132), we get a palindrome (432633336234).

The spelling of 231322113102 in words is "two hundred thirty-one billion, three hundred twenty-two million, one hundred thirteen thousand, one hundred two".