231231303132132 has 12 divisors (see below), whose sum is σ = 539539707308336. Its totient is φ = 77077101044040.

The previous prime is 231231303132103. The next prime is 231231303132161.

231231303132132 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (231231303132103) and next prime (231231303132161).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 231231303132132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9634637630494 + ... + 9634637630517.

Almost surely, 2^{231231303132132} is an apocalyptic number.

It is an amenable number.

231231303132132 is an abundant number, since it is smaller than the sum of its proper divisors (308308404176204).

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

231231303132132 is a wasteful number, since it uses less digits than its factorization.

231231303132132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19269275261018 (or 19269275261016 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

It can be divided in two parts, 23123130 and 3132132, that added together give a palindrome (26255262).

The spelling of 231231303132132 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, three hundred three million, one hundred thirty-two thousand, one hundred thirty-two".