31106132 has 12 divisors (see below), whose sum is σ = 54565056. Its totient is φ = 15516120.

The previous prime is 31106129. The next prime is 31106219. The reversal of 31106132 is 23160113.

It is a self number, because there is not a number n which added to its sum of digits gives 31106132.

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, 7298 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (4547088).

Almost surely, 2^31106132 is an apocalyptic number.

It is an amenable number.

31106132 is a deficient number, since it is larger than the sum of its proper divisors (23458924).

31106132 is a wasteful number, since it uses less digits than its factorization.

31106132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18478 (or 18476 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 31106132 is about 5577.2871541638. The cubic root of 31106132 is about 314.4961526098.

Adding to 31106132 its reverse (23160113), we get a palindrome (54266245).

It can be divided in two parts, 3110613 and 2, that multiplied together give a palindrome (6221226).

The spelling of 31106132 in words is "thirty-one million, one hundred six thousand, one hundred thirty-two".