31551241132 has 12 divisors (see below), whose sum is σ = 56995790656. Its totient is φ = 15266729520.

The previous prime is 31551241129. The next prime is 31551241151. The reversal of 31551241132 is 23114215513.

It is a self number, because there is not a number n which added to its sum of digits gives 31551241132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127222623 + ... + 127222870.

Almost surely, 2^31551241132 is an apocalyptic number.

It is an amenable number.

31551241132 is a deficient number, since it is larger than the sum of its proper divisors (25444549524).

31551241132 is a wasteful number, since it uses less digits than its factorization.

31551241132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254445528 (or 254445526 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

Adding to 31551241132 its reverse (23114215513), we get a palindrome (54665456645).

The spelling of 31551241132 in words is "thirty-one billion, five hundred fifty-one million, two hundred forty-one thousand, one hundred thirty-two".