311361325 has 12 divisors (see below), whose sum is σ = 421187328. Its totient is φ = 226444400.

The previous prime is 311361311. The next prime is 311361343. The reversal of 311361325 is 523163113.

It is not a de Polignac number, because 311361325 - 2⁵ = 311361293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311361325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565837 + ... + 566386.

It is an arithmetic number, because the mean of its divisors is an integer number (35098944).

Almost surely, 2^311361325 is an apocalyptic number.

It is an amenable number.

311361325 is a deficient number, since it is larger than the sum of its proper divisors (109826003).

311361325 is a wasteful number, since it uses less digits than its factorization.

311361325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132244 (or 1132239 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 311361325 is about 17645.4335452547. The cubic root of 311361325 is about 677.7791771647.

The spelling of 311361325 in words is "three hundred eleven million, three hundred sixty-one thousand, three hundred twenty-five".