313695720 has 128 divisors (see below), whose sum is σ = 1126137600. Its totient is φ = 77213952.

The previous prime is 313695703. The next prime is 313695749. The reversal of 313695720 is 27596313.

313695720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2869 + ... + 25211.

It is an arithmetic number, because the mean of its divisors is an integer number (8797950).

Almost surely, 2^313695720 is an apocalyptic number.

313695720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313695720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563068800).

313695720 is an abundant number, since it is smaller than the sum of its proper divisors (812441880).

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

313695720 is a wasteful number, since it uses less digits than its factorization.

313695720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22376 (or 22366 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 313695720 is about 17711.4573087592. The cubic root of 313695720 is about 679.4688181628.

The spelling of 313695720 in words is "three hundred thirteen million, six hundred ninety-five thousand, seven hundred twenty".