231132011321130 has 32 divisors (see below), whose sum is σ = 554724832463424. Its totient is φ = 61634313542016.

The previous prime is 231132011321089. The next prime is 231132011321173. The reversal of 231132011321130 is 31123110231132.

It is a self number, because there is not a number n which added to its sum of digits gives 231132011321130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53477532 + ... + 57637751.

It is an arithmetic number, because the mean of its divisors is an integer number (17335151014482).

Almost surely, 2^{231132011321130} is an apocalyptic number.

231132011321130 is an abundant number, since it is smaller than the sum of its proper divisors (323592821142294).

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

231132011321130 is a wasteful number, since it uses less digits than its factorization.

231132011321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111184630.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 231132011321130 its reverse (31123110231132), we get a palindrome (262255121552262).

The spelling of 231132011321130 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, eleven million, three hundred twenty-one thousand, one hundred thirty".