3131013232132 has 6 divisors (see below), whose sum is σ = 5479273156238. Its totient is φ = 1565506616064.

The previous prime is 3131013232129. The next prime is 3131013232163. The reversal of 3131013232132 is 2312323101313.

It can be written as a sum of positive squares in only one way, i.e., 2076296556096 + 1054716676036 = 1440936^2 + 1026994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3131013232097 and 3131013232106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391376654013 + ... + 391376654020.

Almost surely, 2^{3131013232132} is an apocalyptic number.

It is an amenable number.

3131013232132 is a deficient number, since it is larger than the sum of its proper divisors (2348259924106).

3131013232132 is a wasteful number, since it uses less digits than its factorization.

3131013232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782753308037 (or 782753308035 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3131013232132 its reverse (2312323101313), we get a palindrome (5443336333445).

The spelling of 3131013232132 in words is "three trillion, one hundred thirty-one billion, thirteen million, two hundred thirty-two thousand, one hundred thirty-two".