312431201112 has 16 divisors (see below), whose sum is σ = 781078002840. Its totient is φ = 104143733696.

The previous prime is 312431201111. The next prime is 312431201179. The reversal of 312431201112 is 211102134213.

It is a super-2 number, since 2×312431201112² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312431201111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6508983333 + ... + 6508983380.

Almost surely, 2^312431201112 is an apocalyptic number.

It is an amenable number.

312431201112 is an abundant number, since it is smaller than the sum of its proper divisors (468646801728).

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

312431201112 is a wasteful number, since it uses less digits than its factorization.

312431201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13017966722 (or 13017966718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 312431201112 its reverse (211102134213), we get a palindrome (523533335325).

The spelling of 312431201112 in words is "three hundred twelve billion, four hundred thirty-one million, two hundred one thousand, one hundred twelve".