313497121 has 8 divisors (see below), whose sum is σ = 358488704. Its totient is φ = 268557120.

The previous prime is 313497103. The next prime is 313497137. The reversal of 313497121 is 121794313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313497121 - 2⁷ = 313496993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313497101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156 + ... + 25066.

It is an arithmetic number, because the mean of its divisors is an integer number (44811088).

Almost surely, 2^313497121 is an apocalyptic number.

It is an amenable number.

313497121 is a deficient number, since it is larger than the sum of its proper divisors (44991583).

313497121 is a wasteful number, since it uses less digits than its factorization.

313497121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25791.

The product of its digits is 4536, while the sum is 31.

The square root of 313497121 is about 17705.8499089990. The cubic root of 313497121 is about 679.3253985939.

The spelling of 313497121 in words is "three hundred thirteen million, four hundred ninety-seven thousand, one hundred twenty-one".