313501420 has 72 divisors (see below), whose sum is σ = 709892064. Its totient is φ = 116250624.

The previous prime is 313501411. The next prime is 313501427. The reversal of 313501420 is 24105313.

It is not an unprimeable number, because it can be changed into a prime (313501427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421569 + ... + 422311.

It is an arithmetic number, because the mean of its divisors is an integer number (9859612).

Almost surely, 2^313501420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313501420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354946032).

313501420 is an abundant number, since it is smaller than the sum of its proper divisors (396390644).

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

313501420 is a wasteful number, since it uses less digits than its factorization.

313501420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 313501420 is about 17705.9713091375. The cubic root of 313501420 is about 679.3285037862.

Adding to 313501420 its reverse (24105313), we get a palindrome (337606733).

The spelling of 313501420 in words is "three hundred thirteen million, five hundred one thousand, four hundred twenty".