10321020971 has 2 divisors, whose sum is σ = 10321020972. Its totient is φ = 10321020970.

The previous prime is 10321020967. The next prime is 10321021043. The reversal of 10321020971 is 17902012301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10321020971 - 2² = 10321020967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10321020971.

It is not a weakly prime, because it can be changed into another prime (10321020071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160510485 + 5160510486.

It is an arithmetic number, because the mean of its divisors is an integer number (5160510486).

Almost surely, 2^10321020971 is an apocalyptic number.

10321020971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321020971 is an equidigital number, since it uses as much as digits as its factorization.

10321020971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 10321020971 in words is "ten billion, three hundred twenty-one million, twenty thousand, nine hundred seventy-one".