2137330731 has 4 divisors (see below), whose sum is σ = 2849774312. Its totient is φ = 1424887152.

The previous prime is 2137330709. The next prime is 2137330747. The reversal of 2137330731 is 1370337312.

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

It is not a de Polignac number, because 2137330731 - 2⁶ = 2137330667 is a prime.

It is a super-2 number, since 2×2137330731² = 9136365307353988722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137332731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356221786 + ... + 356221791.

It is an arithmetic number, because the mean of its divisors is an integer number (712443578).

Almost surely, 2^2137330731 is an apocalyptic number.

2137330731 is a deficient number, since it is larger than the sum of its proper divisors (712443581).

2137330731 is an equidigital number, since it uses as much as digits as its factorization.

2137330731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712443580.

The product of its (nonzero) digits is 7938, while the sum is 30.

The square root of 2137330731 is about 46231.2743821755. The cubic root of 2137330731 is about 1288.1227288358.

The spelling of 2137330731 in words is "two billion, one hundred thirty-seven million, three hundred thirty thousand, seven hundred thirty-one".