313173390 has 64 divisors (see below), whose sum is σ = 804234240. Its totient is φ = 77811840.

The previous prime is 313173389. The next prime is 313173391. The reversal of 313173390 is 93371313.

It is an interprime number because it is at equal distance from previous prime (313173389) and next prime (313173391).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313173391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30267 + ... + 39273.

It is an arithmetic number, because the mean of its divisors is an integer number (12566160).

Almost surely, 2^313173390 is an apocalyptic number.

313173390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 313173390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402117120).

313173390 is an abundant number, since it is smaller than the sum of its proper divisors (491060850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313173390 is a wasteful number, since it uses less digits than its factorization.

313173390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097.

The product of its (nonzero) digits is 5103, while the sum is 30.

The square root of 313173390 is about 17696.7056256242. The cubic root of 313173390 is about 679.0914842359.

The spelling of 313173390 in words is "three hundred thirteen million, one hundred seventy-three thousand, three hundred ninety".