2132671631 has 4 divisors (see below), whose sum is σ = 2133851064. Its totient is φ = 2131492200.

The previous prime is 2132671561. The next prime is 2132671669. The reversal of 2132671631 is 1361762312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132671631 is a prime.

It is a super-2 number, since 2×2132671631² = 9096576571344400322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132676631) 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, 587000 + ... + 590621.

It is an arithmetic number, because the mean of its divisors is an integer number (533462766).

Almost surely, 2^2132671631 is an apocalyptic number.

2132671631 is a deficient number, since it is larger than the sum of its proper divisors (1179433).

2132671631 is a wasteful number, since it uses less digits than its factorization.

2132671631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179432.

The product of its digits is 9072, while the sum is 32.

The square root of 2132671631 is about 46180.8578417508. The cubic root of 2132671631 is about 1287.1860685069.

The spelling of 2132671631 in words is "two billion, one hundred thirty-two million, six hundred seventy-one thousand, six hundred thirty-one".