6231472731 has 48 divisors (see below), whose sum is σ = 10785565440. Its totient is φ = 3422295360.

The previous prime is 6231472727. The next prime is 6231472733. The reversal of 6231472731 is 1372741326.

6231472731 is a `hidden beast` number, since 623 + 1 + 4 + 7 + 27 + 3 + 1 = 666.

It is not a de Polignac number, because 6231472731 - 2² = 6231472727 is a prime.

It is a super-2 number, since 2×6231472731² = 77662504794393196722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6231472733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28756 + ... + 115281.

It is an arithmetic number, because the mean of its divisors is an integer number (224699280).

Almost surely, 2^6231472731 is an apocalyptic number.

6231472731 is a deficient number, since it is larger than the sum of its proper divisors (4554092709).

6231472731 is a wasteful number, since it uses less digits than its factorization.

6231472731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144096 (or 144093 counting only the distinct ones).

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

The square root of 6231472731 is about 78939.6777989371. The cubic root of 6231472731 is about 1840.1938133705.

The spelling of 6231472731 in words is "six billion, two hundred thirty-one million, four hundred seventy-two thousand, seven hundred thirty-one".