231515451412132 has 48 divisors (see below), whose sum is σ = 409587589232640. Its totient is φ = 114493209270048.

The previous prime is 231515451412009. The next prime is 231515451412139. The reversal of 231515451412132 is 231214154515132.

It is not an unprimeable number, because it can be changed into a prime (231515451412139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4976342223 + ... + 4976388745.

It is an arithmetic number, because the mean of its divisors is an integer number (8533074775680).

Almost surely, 2^{231515451412132} is an apocalyptic number.

It is an amenable number.

231515451412132 is a deficient number, since it is larger than the sum of its proper divisors (178072137820508).

231515451412132 is a wasteful number, since it uses less digits than its factorization.

231515451412132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61192 (or 61190 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The spelling of 231515451412132 in words is "two hundred thirty-one trillion, five hundred fifteen billion, four hundred fifty-one million, four hundred twelve thousand, one hundred thirty-two".