313245720 has 48 divisors (see below), whose sum is σ = 1018049760. Its totient is φ = 83532096.

The previous prime is 313245683. The next prime is 313245721. The reversal of 313245720 is 27542313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313245721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434704 + ... + 435423.

It is an arithmetic number, because the mean of its divisors is an integer number (21209370).

Almost surely, 2^313245720 is an apocalyptic number.

313245720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313245720 is an abundant number, since it is smaller than the sum of its proper divisors (704804040).

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

313245720 is a wasteful number, since it uses less digits than its factorization.

313245720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870144 (or 870137 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 313245720 is about 17698.7491083410. The cubic root of 313245720 is about 679.1437608210.

The spelling of 313245720 in words is "three hundred thirteen million, two hundred forty-five thousand, seven hundred twenty".