3131102672 has 80 divisors (see below), whose sum is σ = 6406256640. Its totient is φ = 1480550400.

The previous prime is 3131102651. The next prime is 3131102693. The reversal of 3131102672 is 2762011313.

It is an interprime number because it is at equal distance from previous prime (3131102651) and next prime (3131102693).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7230968 + ... + 7231400.

It is an arithmetic number, because the mean of its divisors is an integer number (80078208).

Almost surely, 2^3131102672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131102672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3203128320).

3131102672 is an abundant number, since it is smaller than the sum of its proper divisors (3275153968).

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

3131102672 is a wasteful number, since it uses less digits than its factorization.

3131102672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3131102672 is about 55956.2567725898. The cubic root of 3131102672 is about 1462.9599473984.

Adding to 3131102672 its reverse (2762011313), we get a palindrome (5893113985).

The spelling of 3131102672 in words is "three billion, one hundred thirty-one million, one hundred two thousand, six hundred seventy-two".