231131441130 has 64 divisors (see below), whose sum is σ = 555806085120. Its totient is φ = 61514005824.

The previous prime is 231131441083. The next prime is 231131441161. The reversal of 231131441130 is 31144131132.

It is a happy number.

It is a super-3 number, since 3×231131441130³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231131441130.

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, 36995667 + ... + 37001913.

It is an arithmetic number, because the mean of its divisors is an integer number (8684470080).

Almost surely, 2^231131441130 is an apocalyptic number.

231131441130 is an abundant number, since it is smaller than the sum of its proper divisors (324674643990).

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

231131441130 is a wasteful number, since it uses less digits than its factorization.

231131441130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 231131441130 its reverse (31144131132), we get a palindrome (262275572262).

The spelling of 231131441130 in words is "two hundred thirty-one billion, one hundred thirty-one million, four hundred forty-one thousand, one hundred thirty".