310990739 has 2 divisors, whose sum is σ = 310990740. Its totient is φ = 310990738.

The previous prime is 310990717. The next prime is 310990753. The reversal of 310990739 is 937099013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 310990739 - 2¹⁶ = 310925203 is a prime.

It is a super-2 number, since 2×310990739² = 193430479487532242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 310990696 and 310990705.

It is not a weakly prime, because it can be changed into another prime (310990709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155495369 + 155495370.

It is an arithmetic number, because the mean of its divisors is an integer number (155495370).

Almost surely, 2^310990739 is an apocalyptic number.

310990739 is a deficient number, since it is larger than the sum of its proper divisors (1).

310990739 is an equidigital number, since it uses as much as digits as its factorization.

310990739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 310990739 is about 17634.9295150278. The cubic root of 310990739 is about 677.5101700974.

The spelling of 310990739 in words is "three hundred ten million, nine hundred ninety thousand, seven hundred thirty-nine".