312111032 has 16 divisors (see below), whose sum is σ = 585398760. Its totient is φ = 156004704.

The previous prime is 312111029. The next prime is 312111047. The reversal of 312111032 is 230111213.

It is a super-2 number, since 2×312111032² = 194826592592210048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312110998 and 312111016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37823 + ... + 45329.

Almost surely, 2^312111032 is an apocalyptic number.

It is an amenable number.

312111032 is a deficient number, since it is larger than the sum of its proper divisors (273287728).

312111032 is a wasteful number, since it uses less digits than its factorization.

312111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12710 (or 12706 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 312111032 is about 17666.6644276728. The cubic root of 312111032 is about 678.3227348276.

Adding to 312111032 its reverse (230111213), we get a palindrome (542222245).

The spelling of 312111032 in words is "three hundred twelve million, one hundred eleven thousand, thirty-two".