313577340 has 48 divisors (see below), whose sum is σ = 890056608. Its totient is φ = 82473984.

The previous prime is 313577339. The next prime is 313577347. The reversal of 313577340 is 43775313.

It is a happy number.

It is a super-2 number, since 2×313577340² = 196661496322951200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313577347) 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, 31417 + ... + 40176.

It is an arithmetic number, because the mean of its divisors is an integer number (18542846).

Almost surely, 2^313577340 is an apocalyptic number.

313577340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313577340 is an abundant number, since it is smaller than the sum of its proper divisors (576479268).

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

313577340 is a wasteful number, since it uses less digits than its factorization.

313577340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71678 (or 71676 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 313577340 is about 17708.1150888512. The cubic root of 313577340 is about 679.3833365599.

The spelling of 313577340 in words is "three hundred thirteen million, five hundred seventy-seven thousand, three hundred forty".