312431412 has 48 divisors (see below), whose sum is σ = 743859200. Its totient is φ = 102042720.

The previous prime is 312431411. The next prime is 312431417. The reversal of 312431412 is 214134213.

It is a super-2 number, since 2×312431412² = 195226774408627488, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312431411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130587 + ... + 132957.

Almost surely, 2^312431412 is an apocalyptic number.

It is an amenable number.

312431412 is an abundant number, since it is smaller than the sum of its proper divisors (431427788).

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

312431412 is a wasteful number, since it uses less digits than its factorization.

312431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2594 counting only the distinct ones).

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

The square root of 312431412 is about 17675.7294616092. The cubic root of 312431412 is about 678.5547534559.

Adding to 312431412 its reverse (214134213), we get a palindrome (526565625).

The spelling of 312431412 in words is "three hundred twelve million, four hundred thirty-one thousand, four hundred twelve".