231003312132 has 24 divisors (see below), whose sum is σ = 542440902976. Its totient is φ = 76510650528.

The previous prime is 231003312101. The next prime is 231003312139. The reversal of 231003312132 is 231213300132.

It is a junction number, because it is equal to n+sod(n) for n = 231003312099 and 231003312108.

It is not an unprimeable number, because it can be changed into a prime (231003312139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61304728 + ... + 61308495.

Almost surely, 2^231003312132 is an apocalyptic number.

It is an amenable number.

231003312132 is an abundant number, since it is smaller than the sum of its proper divisors (311437590844).

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

231003312132 is a wasteful number, since it uses less digits than its factorization.

231003312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122613387 (or 122613385 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231003312132 its reverse (231213300132), we get a palindrome (462216612264).

The spelling of 231003312132 in words is "two hundred thirty-one billion, three million, three hundred twelve thousand, one hundred thirty-two".