2131732371 has 4 divisors (see below), whose sum is σ = 2842309832. Its totient is φ = 1421154912.

The previous prime is 2131732321. The next prime is 2131732373. The reversal of 2131732371 is 1732371312.

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

It is not a de Polignac number, because 2131732371 - 2¹¹ = 2131730323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131732373) 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, 355288726 + ... + 355288731.

It is an arithmetic number, because the mean of its divisors is an integer number (710577458).

Almost surely, 2^2131732371 is an apocalyptic number.

2131732371 is a deficient number, since it is larger than the sum of its proper divisors (710577461).

2131732371 is an equidigital number, since it uses as much as digits as its factorization.

2131732371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710577460.

The product of its digits is 5292, while the sum is 30.

The square root of 2131732371 is about 46170.6873568068. The cubic root of 2131732371 is about 1286.9970755242.

The spelling of 2131732371 in words is "two billion, one hundred thirty-one million, seven hundred thirty-two thousand, three hundred seventy-one".