9720233010331 has 4 divisors (see below), whose sum is σ = 9720245998312. Its totient is φ = 9720220022352.

The previous prime is 9720233010317. The next prime is 9720233010343. The reversal of 9720233010331 is 1330103320279.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9720233010331 - 2²⁵ = 9720199455899 is a prime.

It is a super-2 number, since 2×9720233010331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9720233010431) 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, 5297961 + ... + 6892666.

It is an arithmetic number, because the mean of its divisors is an integer number (2430061499578).

Almost surely, 2^{9720233010331} is an apocalyptic number.

9720233010331 is a deficient number, since it is larger than the sum of its proper divisors (12987981).

9720233010331 is a wasteful number, since it uses less digits than its factorization.

9720233010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987980.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 9720233010331 in words is "nine trillion, seven hundred twenty billion, two hundred thirty-three million, ten thousand, three hundred thirty-one".