311124412 has 24 divisors (see below), whose sum is σ = 596378160. Its totient is φ = 141361920.

The previous prime is 311124347. The next prime is 311124413. The reversal of 311124412 is 214421113.

It is a self number, because there is not a number n which added to its sum of digits gives 311124412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311124413) 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, 76914 + ... + 80857.

It is an arithmetic number, because the mean of its divisors is an integer number (24849090).

Almost surely, 2^311124412 is an apocalyptic number.

It is an amenable number.

311124412 is a deficient number, since it is larger than the sum of its proper divisors (285253748).

311124412 is a wasteful number, since it uses less digits than its factorization.

311124412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157821 (or 157819 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 311124412 is about 17638.7191144935. The cubic root of 311124412 is about 677.6072274830.

Adding to 311124412 its reverse (214421113), we get a palindrome (525545525).

The spelling of 311124412 in words is "three hundred eleven million, one hundred twenty-four thousand, four hundred twelve".