231112440130 has 64 divisors (see below), whose sum is σ = 500096032128. Its totient is φ = 75772085760.

The previous prime is 231112440121. The next prime is 231112440227. The reversal of 231112440130 is 31044211132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1817779 + ... + 1940758.

It is an arithmetic number, because the mean of its divisors is an integer number (7814000502).

Almost surely, 2^231112440130 is an apocalyptic number.

231112440130 is an abundant number, since it is smaller than the sum of its proper divisors (268983591998).

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

231112440130 is a wasteful number, since it uses less digits than its factorization.

231112440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758611.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 231112440130 its reverse (31044211132), we get a palindrome (262156651262).

The spelling of 231112440130 in words is "two hundred thirty-one billion, one hundred twelve million, four hundred forty thousand, one hundred thirty".