3131472641 has 32 divisors (see below), whose sum is σ = 3670437888. Its totient is φ = 2640119040.

The previous prime is 3131472583. The next prime is 3131472647. The reversal of 3131472641 is 1462741313.

3131472641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3131472641 - 2¹⁴ = 3131456257 is a prime.

It is a super-2 number, since 2×3131472641² = 19612241802663029762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131472598 and 3131472607.

It is not an unprimeable number, because it can be changed into a prime (3131472647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7068566 + ... + 7069008.

It is an arithmetic number, because the mean of its divisors is an integer number (114701184).

Almost surely, 2^3131472641 is an apocalyptic number.

It is an amenable number.

3131472641 is a deficient number, since it is larger than the sum of its proper divisors (538965247).

3131472641 is a wasteful number, since it uses less digits than its factorization.

3131472641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its digits is 12096, while the sum is 32.

The square root of 3131472641 is about 55959.5625518999. The cubic root of 3131472641 is about 1463.0175659190.

The spelling of 3131472641 in words is "three billion, one hundred thirty-one million, four hundred seventy-two thousand, six hundred forty-one".