130231311012 has 36 divisors (see below), whose sum is σ = 359122707216. Its totient is φ = 39464033520.

The previous prime is 130231310987. The next prime is 130231311019. The reversal of 130231311012 is 210113132031.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130231311019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164433078 + ... + 164433869.

It is an arithmetic number, because the mean of its divisors is an integer number (9975630756).

Almost surely, 2^130231311012 is an apocalyptic number.

130231311012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130231311012 is an abundant number, since it is smaller than the sum of its proper divisors (228891396204).

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

130231311012 is a wasteful number, since it uses less digits than its factorization.

130231311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328866968 (or 328866963 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 130231311012 its reverse (210113132031), we get a palindrome (340344443043).

The spelling of 130231311012 in words is "one hundred thirty billion, two hundred thirty-one million, three hundred eleven thousand, twelve".