3132111312 has 60 divisors (see below), whose sum is σ = 9562435584. Its totient is φ = 949124160.

The previous prime is 3132111289. The next prime is 3132111317. The reversal of 3132111312 is 2131112313.

3132111312 is a `hidden beast` number, since 31 + 321 + 1 + 1 + 312 = 666.

It is a super-2 number, since 2×3132111312² = 19620242541516722688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 (3132111317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987088 + ... + 990255.

Almost surely, 2^3132111312 is an apocalyptic number.

It is an amenable number.

3132111312 is an abundant number, since it is smaller than the sum of its proper divisors (6430324272).

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

3132111312 is a wasteful number, since it uses less digits than its factorization.

3132111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977368 (or 1977359 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 3132111312 is about 55965.2688012842. The cubic root of 3132111312 is about 1463.1170210831.

Adding to 3132111312 its reverse (2131112313), we get a palindrome (5263223625).

The spelling of 3132111312 in words is "three billion, one hundred thirty-two million, one hundred eleven thousand, three hundred twelve".