313455137 has 2 divisors, whose sum is σ = 313455138. Its totient is φ = 313455136.

The previous prime is 313455119. The next prime is 313455169. The reversal of 313455137 is 731554313.

It is an a-pointer prime, because the next prime (313455169) can be obtained adding 313455137 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234671761 + 78783376 = 15319^2 + 8876^2 .

It is a cyclic number.

It is not a de Polignac number, because 313455137 - 2¹⁴ = 313438753 is a prime.

It is not a weakly prime, because it can be changed into another prime (313655137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156727568 + 156727569.

It is an arithmetic number, because the mean of its divisors is an integer number (156727569).

Almost surely, 2^313455137 is an apocalyptic number.

It is an amenable number.

313455137 is a deficient number, since it is larger than the sum of its proper divisors (1).

313455137 is an equidigital number, since it uses as much as digits as its factorization.

313455137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 313455137 is about 17704.6642724453. The cubic root of 313455137 is about 679.2950718180.

The spelling of 313455137 in words is "three hundred thirteen million, four hundred fifty-five thousand, one hundred thirty-seven".