313552540 has 48 divisors (see below), whose sum is σ = 753984000. Its totient is φ = 107295552.

The previous prime is 313552531. The next prime is 313552549. The reversal of 313552540 is 45255313.

It is an interprime number because it is at equal distance from previous prime (313552531) and next prime (313552549).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 313552499 and 313552508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313552549) 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, 81991 + ... + 85729.

It is an arithmetic number, because the mean of its divisors is an integer number (15708000).

Almost surely, 2^313552540 is an apocalyptic number.

It is an amenable number.

313552540 is an abundant number, since it is smaller than the sum of its proper divisors (440431460).

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

313552540 is a wasteful number, since it uses less digits than its factorization.

313552540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354 (or 4352 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 313552540 is about 17707.4148310814. The cubic root of 313552540 is about 679.3654258791.

The spelling of 313552540 in words is "three hundred thirteen million, five hundred fifty-two thousand, five hundred forty".