310493129 has 2 divisors, whose sum is σ = 310493130. Its totient is φ = 310493128.

The previous prime is 310493119. The next prime is 310493177. The reversal of 310493129 is 921394013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229583104 + 80910025 = 15152^2 + 8995^2 .

It is a cyclic number.

It is not a de Polignac number, because 310493129 - 2⁸ = 310492873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 310493095 and 310493104.

It is not a weakly prime, because it can be changed into another prime (310493119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155246564 + 155246565.

It is an arithmetic number, because the mean of its divisors is an integer number (155246565).

Almost surely, 2^310493129 is an apocalyptic number.

It is an amenable number.

310493129 is a deficient number, since it is larger than the sum of its proper divisors (1).

310493129 is an equidigital number, since it uses as much as digits as its factorization.

310493129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 310493129 is about 17620.8152195067. The cubic root of 310493129 is about 677.1486204131.

The spelling of 310493129 in words is "three hundred ten million, four hundred ninety-three thousand, one hundred twenty-nine".