9712214731 has 4 divisors (see below), whose sum is σ = 9876828600. Its totient is φ = 9547600864.

The previous prime is 9712214713. The next prime is 9712214773. The reversal of 9712214731 is 1374122179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9712214731 is a prime.

It is a super-2 number, since 2×9712214731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9712214711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82306846 + ... + 82306963.

It is an arithmetic number, because the mean of its divisors is an integer number (2469207150).

Almost surely, 2^9712214731 is an apocalyptic number.

9712214731 is a deficient number, since it is larger than the sum of its proper divisors (164613869).

9712214731 is a wasteful number, since it uses less digits than its factorization.

9712214731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164613868.

The product of its digits is 21168, while the sum is 37.

The square root of 9712214731 is about 98550.5694098213. The cubic root of 9712214731 is about 2133.5660492035.

The spelling of 9712214731 in words is "nine billion, seven hundred twelve million, two hundred fourteen thousand, seven hundred thirty-one".