2132631 has 12 divisors (see below), whose sum is σ = 3187080. Its totient is φ = 1372560.

The previous prime is 2132593. The next prime is 2132639. The reversal of 2132631 is 1362312.

2132631 is a `hidden beast` number, since 2 + 1 + 32 + 631 = 666.

It is not a de Polignac number, because 2132631 - 2⁶ = 2132567 is a prime.

It is a super-2 number, since 2×2132631² = 9096229964322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132639) 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, 3825 + ... + 4346.

It is an arithmetic number, because the mean of its divisors is an integer number (265590).

2^2132631 is an apocalyptic number.

2132631 is a deficient number, since it is larger than the sum of its proper divisors (1054449).

2132631 is a wasteful number, since it uses less digits than its factorization.

2132631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206 (or 8203 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 2132631 is about 1460.3530395079. The cubic root of 2132631 is about 128.7177894098.

Adding to 2132631 its reverse (1362312), we get a palindrome (3494943).

The spelling of 2132631 in words is "two million, one hundred thirty-two thousand, six hundred thirty-one".