313022487 has 4 divisors (see below), whose sum is σ = 417363320. Its totient is φ = 208681656.

The previous prime is 313022477. The next prime is 313022497. The reversal of 313022487 is 784220313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784220313 = 3 ⋅261406771.

It is an interprime number because it is at equal distance from previous prime (313022477) and next prime (313022497).

It is not a de Polignac number, because 313022487 - 2⁸ = 313022231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313022417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52170412 + ... + 52170417.

It is an arithmetic number, because the mean of its divisors is an integer number (104340830).

Almost surely, 2^313022487 is an apocalyptic number.

313022487 is a deficient number, since it is larger than the sum of its proper divisors (104340833).

313022487 is a wasteful number, since it uses less digits than its factorization.

313022487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104340832.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 313022487 is about 17692.4415217346. The cubic root of 313022487 is about 678.9823930110.

The spelling of 313022487 in words is "three hundred thirteen million, twenty-two thousand, four hundred eighty-seven".