231032120122 has 8 divisors (see below), whose sum is σ = 346611125376. Its totient is φ = 115495078332.

The previous prime is 231032120117. The next prime is 231032120159. The reversal of 231032120122 is 221021230132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 231032120122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10477098 + ... + 10499125.

It is an arithmetic number, because the mean of its divisors is an integer number (43326390672).

Almost surely, 2^231032120122 is an apocalyptic number.

231032120122 is a deficient number, since it is larger than the sum of its proper divisors (115579005254).

231032120122 is a wasteful number, since it uses less digits than its factorization.

231032120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20981732.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231032120122 its reverse (221021230132), we get a palindrome (452053350254).

The spelling of 231032120122 in words is "two hundred thirty-one billion, thirty-two million, one hundred twenty thousand, one hundred twenty-two".