313536481 has 2 divisors, whose sum is σ = 313536482. Its totient is φ = 313536480.

The previous prime is 313536479. The next prime is 313536539. The reversal of 313536481 is 184635313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310076881 + 3459600 = 17609^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 313536481 - 2¹ = 313536479 is a prime.

It is a super-2 number, since 2×313536481² = 196610249835726722, which contains 22 as substring.

Together with 313536479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (313536581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156768240 + 156768241.

It is an arithmetic number, because the mean of its divisors is an integer number (156768241).

Almost surely, 2^313536481 is an apocalyptic number.

It is an amenable number.

313536481 is a deficient number, since it is larger than the sum of its proper divisors (1).

313536481 is an equidigital number, since it uses as much as digits as its factorization.

313536481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 313536481 is about 17706.9613711670. The cubic root of 313536481 is about 679.3538274873.

The spelling of 313536481 in words is "three hundred thirteen million, five hundred thirty-six thousand, four hundred eighty-one".