313531425 has 96 divisors (see below), whose sum is σ = 618710400. Its totient is φ = 155105280.

The previous prime is 313531367. The next prime is 313531429. The reversal of 313531425 is 524135313.

It is not a de Polignac number, because 313531425 - 2¹³ = 313523233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (313531429) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1021122 + ... + 1021428.

It is an arithmetic number, because the mean of its divisors is an integer number (6444900).

Almost surely, 2^313531425 is an apocalyptic number.

It is an amenable number.

313531425 is a deficient number, since it is larger than the sum of its proper divisors (305178975).

313531425 is a wasteful number, since it uses less digits than its factorization.

313531425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 421 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 313531425 is about 17706.8186018833. The cubic root of 313531425 is about 679.3501757789.

Adding to 313531425 its reverse (524135313), we get a palindrome (837666738).

The spelling of 313531425 in words is "three hundred thirteen million, five hundred thirty-one thousand, four hundred twenty-five".