311125374 has 40 divisors (see below), whose sum is σ = 796747248. Its totient is φ = 88892640.

The previous prime is 311125271. The next prime is 311125379. The reversal of 311125374 is 473521113.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311125379) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 136047 + ... + 138314.

Almost surely, 2^311125374 is an apocalyptic number.

311125374 is an abundant number, since it is smaller than the sum of its proper divisors (485621874).

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

311125374 is a wasteful number, since it uses less digits than its factorization.

311125374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274382 (or 274373 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 311125374 is about 17638.7463840263. The cubic root of 311125374 is about 677.6079258719.

Adding to 311125374 its reverse (473521113), we get a palindrome (784646487).

The spelling of 311125374 in words is "three hundred eleven million, one hundred twenty-five thousand, three hundred seventy-four".