313129093 has 2 divisors, whose sum is σ = 313129094. Its totient is φ = 313129092.

The previous prime is 313129081. The next prime is 313129111. The reversal of 313129093 is 390921313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301960129 + 11168964 = 17377^2 + 3342^2 .

It is a cyclic number.

It is not a de Polignac number, because 313129093 - 2¹³ = 313120901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313129073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156564546 + 156564547.

It is an arithmetic number, because the mean of its divisors is an integer number (156564547).

Almost surely, 2^313129093 is an apocalyptic number.

It is an amenable number.

313129093 is a deficient number, since it is larger than the sum of its proper divisors (1).

313129093 is an equidigital number, since it uses as much as digits as its factorization.

313129093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 313129093 is about 17695.4540207365. The cubic root of 313129093 is about 679.0594645573.

The spelling of 313129093 in words is "three hundred thirteen million, one hundred twenty-nine thousand, ninety-three".