10251316331 has 2 divisors, whose sum is σ = 10251316332. Its totient is φ = 10251316330.

The previous prime is 10251316321. The next prime is 10251316333. The reversal of 10251316331 is 13361315201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10251316331 is a prime.

It is a super-2 number, since 2×10251316331² (a number of 21 digits) contains 22 as substring.

Together with 10251316333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10251316331.

It is not a weakly prime, because it can be changed into another prime (10251316333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125658165 + 5125658166.

It is an arithmetic number, because the mean of its divisors is an integer number (5125658166).

Almost surely, 2^10251316331 is an apocalyptic number.

10251316331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251316331 is an equidigital number, since it uses as much as digits as its factorization.

10251316331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 10251316331 in words is "ten billion, two hundred fifty-one million, three hundred sixteen thousand, three hundred thirty-one".