231356545653132 has 48 divisors (see below), whose sum is σ = 599816876937600. Its totient is φ = 77118384353040.

The previous prime is 231356545653131. The next prime is 231356545653137.

231356545653132 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 5 + 6 + 5 + 456 + 53 + 132 = 666.

231356545653132 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×231356545653132³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (231356545653131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11816719 + ... + 24542777.

It is an arithmetic number, because the mean of its divisors is an integer number (12496184936200).

Almost surely, 2^{231356545653132} is an apocalyptic number.

It is an amenable number.

231356545653132 is an abundant number, since it is smaller than the sum of its proper divisors (368460331284468).

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

231356545653132 is a wasteful number, since it uses less digits than its factorization.

231356545653132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12894403 (or 12894395 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 54.

The spelling of 231356545653132 in words is "two hundred thirty-one trillion, three hundred fifty-six billion, five hundred forty-five million, six hundred fifty-three thousand, one hundred thirty-two".