9720233010431 has 2 divisors, whose sum is σ = 9720233010432. Its totient is φ = 9720233010430.

The previous prime is 9720233010427. The next prime is 9720233010451. The reversal of 9720233010431 is 1340103320279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9720233010431 - 2² = 9720233010427 is a prime.

It is a super-2 number, since 2×9720233010431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9720233010391 and 9720233010400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9720233010401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860116505215 + 4860116505216.

It is an arithmetic number, because the mean of its divisors is an integer number (4860116505216).

Almost surely, 2^{9720233010431} is an apocalyptic number.

9720233010431 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720233010431 is an equidigital number, since it uses as much as digits as its factorization.

9720233010431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 9720233010431 in words is "nine trillion, seven hundred twenty billion, two hundred thirty-three million, ten thousand, four hundred thirty-one".