231130311221010 has 64 divisors (see below), whose sum is σ = 554877788313600. Its totient is φ = 61616413374912.

The previous prime is 231130311220997. The next prime is 231130311221063. The reversal of 231130311221010 is 10122113031132.

It is a super-2 number, since 2×231130311221010² (a number of 30 digits) contains 22 as substring.

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, 3165308281 + ... + 3165381299.

It is an arithmetic number, because the mean of its divisors is an integer number (8669965442400).

Almost surely, 2^{231130311221010} is an apocalyptic number.

231130311221010 is an abundant number, since it is smaller than the sum of its proper divisors (323747477092590).

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

231130311221010 is a wasteful number, since it uses less digits than its factorization.

231130311221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102975.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 231130311221010 its reverse (10122113031132), we get a palindrome (241252424252142).

The spelling of 231130311221010 in words is "two hundred thirty-one trillion, one hundred thirty billion, three hundred eleven million, two hundred twenty-one thousand, ten".