132312031 has 4 divisors (see below), whose sum is σ = 138064752. Its totient is φ = 126559312.

The previous prime is 132312023. The next prime is 132312053. The reversal of 132312031 is 130213231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132312031 - 2³ = 132312023 is a prime.

It is a super-2 number, since 2×132312031² = 35012947094689922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132311996 and 132312014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132312331) 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, 2876326 + ... + 2876371.

It is an arithmetic number, because the mean of its divisors is an integer number (34516188).

Almost surely, 2^132312031 is an apocalyptic number.

132312031 is a deficient number, since it is larger than the sum of its proper divisors (5752721).

132312031 is an equidigital number, since it uses as much as digits as its factorization.

132312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752720.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 132312031 is about 11502.6966838216. The cubic root of 132312031 is about 509.5652208918.

Adding to 132312031 its reverse (130213231), we get a palindrome (262525262).

The spelling of 132312031 in words is "one hundred thirty-two million, three hundred twelve thousand, thirty-one".