231522101335130 has 16 divisors (see below), whose sum is σ = 417177074951784. Its totient is φ = 92511664412160.

The previous prime is 231522101335127. The next prime is 231522101335279. The reversal of 231522101335130 is 31533101225132.

It can be written as a sum of positive squares in 4 ways, for example, as 207519323391961 + 24002777943169 = 14405531^2 + 4899263^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12147005231 + ... + 12147024290.

Almost surely, 2^{231522101335130} is an apocalyptic number.

231522101335130 is a deficient number, since it is larger than the sum of its proper divisors (185654973616654).

231522101335130 is a wasteful number, since it uses less digits than its factorization.

231522101335130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24294030481.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 231522101335130 in words is "two hundred thirty-one trillion, five hundred twenty-two billion, one hundred one million, three hundred thirty-five thousand, one hundred thirty".