231330210112 has 14 divisors (see below), whose sum is σ = 459045885818. Its totient is φ = 115665105024.

The previous prime is 231330210107. The next prime is 231330210143. The reversal of 231330210112 is 211012033132.

It can be written as a sum of positive squares in only one way, i.e., 230761101376 + 569108736 = 480376^2 + 23856^2 .

It is a super-2 number, since 2×231330210112² (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 231330210112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1807267203 + ... + 1807267330.

Almost surely, 2^231330210112 is an apocalyptic number.

It is an amenable number.

231330210112 is a deficient number, since it is larger than the sum of its proper divisors (227715675706).

231330210112 is an equidigital number, since it uses as much as digits as its factorization.

231330210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614534545 (or 3614534535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231330210112 its reverse (211012033132), we get a palindrome (442342243244).

The spelling of 231330210112 in words is "two hundred thirty-one billion, three hundred thirty million, two hundred ten thousand, one hundred twelve".