231502205132 has 24 divisors (see below), whose sum is σ = 448012990992. Its totient is φ = 103786790400.

The previous prime is 231502205071. The next prime is 231502205147.

It is a happy number.

231502205132 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36033869 + ... + 36040292.

It is an arithmetic number, because the mean of its divisors is an integer number (18667207958).

Almost surely, 2^231502205132 is an apocalyptic number.

231502205132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231502205132 is a deficient number, since it is larger than the sum of its proper divisors (216510785860).

231502205132 is a wasteful number, since it uses less digits than its factorization.

231502205132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72074249 (or 72074247 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 231502 and 205132, that added together give a palindrome (436634).

The spelling of 231502205132 in words is "two hundred thirty-one billion, five hundred two million, two hundred five thousand, one hundred thirty-two".