313232340 has 24 divisors (see below), whose sum is σ = 877050720. Its totient is φ = 83528608.

The previous prime is 313232323. The next prime is 313232351. The reversal of 313232340 is 43232313.

It is a super-2 number, since 2×313232340² = 196228997643751200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610210 + ... + 2610329.

It is an arithmetic number, because the mean of its divisors is an integer number (36543780).

Almost surely, 2^313232340 is an apocalyptic number.

313232340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313232340 is an abundant number, since it is smaller than the sum of its proper divisors (563818380).

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

313232340 is a wasteful number, since it uses less digits than its factorization.

313232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220551 (or 5220549 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 313232340 is about 17698.3711114893. The cubic root of 313232340 is about 679.1340910183.

Adding to 313232340 its reverse (43232313), we get a palindrome (356464653).

The spelling of 313232340 in words is "three hundred thirteen million, two hundred thirty-two thousand, three hundred forty".