311412432 has 40 divisors (see below), whose sum is σ = 846825760. Its totient is φ = 98340480.

The previous prime is 311412421. The next prime is 311412457. The reversal of 311412432 is 234214113.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 311412399 and 311412408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169819 + ... + 171642.

It is an arithmetic number, because the mean of its divisors is an integer number (21170644).

Almost surely, 2^311412432 is an apocalyptic number.

It is an amenable number.

311412432 is an abundant number, since it is smaller than the sum of its proper divisors (535413328).

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

311412432 is a wasteful number, since it uses less digits than its factorization.

311412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341491 (or 341485 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 311412432 is about 17646.8816508753. The cubic root of 311412432 is about 677.8162588044.

Adding to 311412432 its reverse (234214113), we get a palindrome (545626545).

The spelling of 311412432 in words is "three hundred eleven million, four hundred twelve thousand, four hundred thirty-two".