313506490 has 16 divisors (see below), whose sum is σ = 615612960. Its totient is φ = 114002320.

The previous prime is 313506481. The next prime is 313506499. The reversal of 313506490 is 94605313.

It is an interprime number because it is at equal distance from previous prime (313506481) and next prime (313506499).

It is not an unprimeable number, because it can be changed into a prime (313506499) 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, 1424920 + ... + 1425139.

It is an arithmetic number, because the mean of its divisors is an integer number (38475810).

Almost surely, 2^313506490 is an apocalyptic number.

313506490 is a deficient number, since it is larger than the sum of its proper divisors (302106470).

313506490 is a wasteful number, since it uses less digits than its factorization.

313506490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850077.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 313506490 is about 17706.1144805968. The cubic root of 313506490 is about 679.3321658397.

The spelling of 313506490 in words is "three hundred thirteen million, five hundred six thousand, four hundred ninety".