231020310131132 has 6 divisors (see below), whose sum is σ = 404285542729488. Its totient is φ = 115510155065564.

The previous prime is 231020310131113. The next prime is 231020310131161. The reversal of 231020310131132 is 231131013020132.

231020310131132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231020310131098 and 231020310131107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28877538766388 + ... + 28877538766395.

It is an arithmetic number, because the mean of its divisors is an integer number (67380923788248).

Almost surely, 2^{231020310131132} is an apocalyptic number.

It is an amenable number.

231020310131132 is a deficient number, since it is larger than the sum of its proper divisors (173265232598356).

231020310131132 is a wasteful number, since it uses less digits than its factorization.

231020310131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57755077532787 (or 57755077532785 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231020310131132 its reverse (231131013020132), we get a palindrome (462151323151264).

The spelling of 231020310131132 in words is "two hundred thirty-one trillion, twenty billion, three hundred ten million, one hundred thirty-one thousand, one hundred thirty-two".