313381428 has 24 divisors (see below), whose sum is σ = 732036480. Its totient is φ = 104344320.

The previous prime is 313381427. The next prime is 313381429. The reversal of 313381428 is 824183313.

It is an interprime number because it is at equal distance from previous prime (313381427) and next prime (313381429).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313381427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908 + ... + 25203.

It is an arithmetic number, because the mean of its divisors is an integer number (30501520).

Almost surely, 2^313381428 is an apocalyptic number.

It is an amenable number.

313381428 is an abundant number, since it is smaller than the sum of its proper divisors (418655052).

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

313381428 is a wasteful number, since it uses less digits than its factorization.

313381428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29047 (or 29045 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 313381428 is about 17702.5825234625. The cubic root of 313381428 is about 679.2418222141.

The spelling of 313381428 in words is "three hundred thirteen million, three hundred eighty-one thousand, four hundred twenty-eight".