3131143102032 has 80 divisors (see below), whose sum is σ = 9039353319360. Its totient is φ = 925689011200.

The previous prime is 3131143101959. The next prime is 3131143102039. The reversal of 3131143102032 is 2302013411313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 3131143101993 and 3131143102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131143102039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72297807 + ... + 72341102.

It is an arithmetic number, because the mean of its divisors is an integer number (112991916492).

Almost surely, 2^{3131143102032} is an apocalyptic number.

It is an amenable number.

3131143102032 is an abundant number, since it is smaller than the sum of its proper divisors (5908210217328).

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

3131143102032 is a wasteful number, since it uses less digits than its factorization.

3131143102032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144638972 (or 144638966 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 3131143102032 its reverse (2302013411313), we get a palindrome (5433156513345).

The spelling of 3131143102032 in words is "three trillion, one hundred thirty-one billion, one hundred forty-three million, one hundred two thousand, thirty-two".