313190889 has 16 divisors (see below), whose sum is σ = 479527680. Its totient is φ = 179822160.

The previous prime is 313190879. The next prime is 313190921. The reversal of 313190889 is 988091313.

It is a happy number.

It is not a de Polignac number, because 313190889 - 2¹² = 313186793 is a prime.

It is a super-2 number, since 2×313190889² = 196177065905220642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313190889.

It is not an unprimeable number, because it can be changed into a prime (313190879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249127 + ... + 250380.

It is an arithmetic number, because the mean of its divisors is an integer number (29970480).

Almost surely, 2^313190889 is an apocalyptic number.

It is an amenable number.

313190889 is a deficient number, since it is larger than the sum of its proper divisors (166336791).

313190889 is a wasteful number, since it uses less digits than its factorization.

313190889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499540.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 313190889 is about 17697.2000327735. The cubic root of 313190889 is about 679.1041323950.

The spelling of 313190889 in words is "three hundred thirteen million, one hundred ninety thousand, eight hundred eighty-nine".