2631472731 has 16 divisors (see below), whose sum is σ = 4032909600. Its totient is φ = 1693821024.

The previous prime is 2631472681. The next prime is 2631472769. The reversal of 2631472731 is 1372741362.

It is not a de Polignac number, because 2631472731 - 2¹⁹ = 2630948443 is a prime.

It is a super-2 number, since 2×2631472731² = 13849297467993196722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2631472031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1679596 + ... + 1681161.

It is an arithmetic number, because the mean of its divisors is an integer number (252056850).

Almost surely, 2^2631472731 is an apocalyptic number.

2631472731 is a deficient number, since it is larger than the sum of its proper divisors (1401436869).

2631472731 is a wasteful number, since it uses less digits than its factorization.

2631472731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360795 (or 3360789 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 2631472731 is about 51297.8823247120. The cubic root of 2631472731 is about 1380.5949844575.

The spelling of 2631472731 in words is "two billion, six hundred thirty-one million, four hundred seventy-two thousand, seven hundred thirty-one".