31143553124532 has 12 divisors (see below), whose sum is σ = 72668290623936. Its totient is φ = 10381184374840.

The previous prime is 31143553124483. The next prime is 31143553124557. The reversal of 31143553124532 is 23542135534113.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 1297648046844 + ... + 1297648046867.

It is an arithmetic number, because the mean of its divisors is an integer number (6055690885328).

Almost surely, 2^{31143553124532} is an apocalyptic number.

It is an amenable number.

31143553124532 is an abundant number, since it is smaller than the sum of its proper divisors (41524737499404).

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

31143553124532 is a wasteful number, since it uses less digits than its factorization.

31143553124532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595296093718 (or 2595296093716 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

Adding to 31143553124532 its reverse (23542135534113), we get a palindrome (54685688658645).

The spelling of 31143553124532 in words is "thirty-one trillion, one hundred forty-three billion, five hundred fifty-three million, one hundred twenty-four thousand, five hundred thirty-two".