231310322122 has 16 divisors (see below), whose sum is σ = 378547214400. Its totient is φ = 105130107040.

The previous prime is 231310322071. The next prime is 231310322141. The reversal of 231310322122 is 221223013132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231310322093 and 231310322102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329422 + ... + 755737.

It is an arithmetic number, because the mean of its divisors is an integer number (23659200900).

Almost surely, 2^231310322122 is an apocalyptic number.

231310322122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231310322122 is a deficient number, since it is larger than the sum of its proper divisors (147236892278).

231310322122 is a wasteful number, since it uses less digits than its factorization.

231310322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094861.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231310322122 its reverse (221223013132), we get a palindrome (452533335254).

The spelling of 231310322122 in words is "two hundred thirty-one billion, three hundred ten million, three hundred twenty-two thousand, one hundred twenty-two".