31321231102339 has 2 divisors, whose sum is σ = 31321231102340. Its totient is φ = 31321231102338.

The previous prime is 31321231102211. The next prime is 31321231102379. The reversal of 31321231102339 is 93320113212313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31321231102339 - 2⁷ = 31321231102211 is a prime.

It is a super-2 number, since 2×31321231102339² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31321231102379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660615551169 + 15660615551170.

It is an arithmetic number, because the mean of its divisors is an integer number (15660615551170).

Almost surely, 2^{31321231102339} is an apocalyptic number.

31321231102339 is a deficient number, since it is larger than the sum of its proper divisors (1).

31321231102339 is an equidigital number, since it uses as much as digits as its factorization.

31321231102339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The spelling of 31321231102339 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred thirty-one million, one hundred two thousand, three hundred thirty-nine".