231020020132 has 96 divisors (see below), whose sum is σ = 471105653760. Its totient is φ = 98022960000.

The previous prime is 231020020111. The next prime is 231020020159.

231020020132 is nontrivially palindromic in base 10.

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, 17809513 + ... + 17822479.

It is an arithmetic number, because the mean of its divisors is an integer number (4907350560).

Almost surely, 2^231020020132 is an apocalyptic number.

231020020132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231020020132 is an abundant number, since it is smaller than the sum of its proper divisors (240085633628).

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

231020020132 is a wasteful number, since it uses less digits than its factorization.

231020020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13313 (or 13311 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

It can be divided in two parts, 2310200 and 20132, that added together give a palindrome (2330332).

The spelling of 231020020132 in words is "two hundred thirty-one billion, twenty million, twenty thousand, one hundred thirty-two".