313421507 has 8 divisors (see below), whose sum is σ = 366932832. Its totient is φ = 262094400.

The previous prime is 313421443. The next prime is 313421513. The reversal of 313421507 is 705124313.

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 313421507 - 2⁶ = 313421443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313421567) 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, 545744 + ... + 546317.

It is an arithmetic number, because the mean of its divisors is an integer number (45866604).

Almost surely, 2^313421507 is an apocalyptic number.

313421507 is a deficient number, since it is larger than the sum of its proper divisors (53511325).

313421507 is a wasteful number, since it uses less digits than its factorization.

313421507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092109.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 313421507 is about 17703.7144972461. The cubic root of 313421507 is about 679.2707775276.

The spelling of 313421507 in words is "three hundred thirteen million, four hundred twenty-one thousand, five hundred seven".