231023256162 has 32 divisors (see below), whose sum is σ = 493397844480. Its totient is φ = 71953848960.

The previous prime is 231023256127. The next prime is 231023256179. The reversal of 231023256162 is 261652320132.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21409443 + ... + 21420230.

It is an arithmetic number, because the mean of its divisors is an integer number (15418682640).

Almost surely, 2^231023256162 is an apocalyptic number.

231023256162 is an abundant number, since it is smaller than the sum of its proper divisors (262374588318).

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

231023256162 is a wasteful number, since it uses less digits than its factorization.

231023256162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42829738.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 231023256162 its reverse (261652320132), we get a palindrome (492675576294).

The spelling of 231023256162 in words is "two hundred thirty-one billion, twenty-three million, two hundred fifty-six thousand, one hundred sixty-two".