231120302124 has 48 divisors (see below), whose sum is σ = 577936574208. Its totient is φ = 71698891968.

The previous prime is 231120302117. The next prime is 231120302137. The reversal of 231120302124 is 421203021132.

It is a super-2 number, since 2×231120302124² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231120302124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11305902 + ... + 11326325.

It is an arithmetic number, because the mean of its divisors is an integer number (12040345296).

Almost surely, 2^231120302124 is an apocalyptic number.

It is an amenable number.

231120302124 is an abundant number, since it is smaller than the sum of its proper divisors (346816272084).

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

231120302124 is a wasteful number, since it uses less digits than its factorization.

231120302124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632294 (or 22632292 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231120302124 its reverse (421203021132), we get a palindrome (652323323256).

The spelling of 231120302124 in words is "two hundred thirty-one billion, one hundred twenty million, three hundred two thousand, one hundred twenty-four".