2118232971 has 16 divisors (see below), whose sum is σ = 3143029120. Its totient is φ = 1409947560.

The previous prime is 2118232967. The next prime is 2118232999. The reversal of 2118232971 is 1792328112.

It is not a de Polignac number, because 2118232971 - 2² = 2118232967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118232901) 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 15 ways as a sum of consecutive naturals, for example, 43645 + ... + 78366.

It is an arithmetic number, because the mean of its divisors is an integer number (196439320).

Almost surely, 2^2118232971 is an apocalyptic number.

2118232971 is a deficient number, since it is larger than the sum of its proper divisors (1024796149).

2118232971 is a wasteful number, since it uses less digits than its factorization.

2118232971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122663 (or 122657 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 2118232971 is about 46024.2650240066. The cubic root of 2118232971 is about 1284.2746431896.

The spelling of 2118232971 in words is "two billion, one hundred eighteen million, two hundred thirty-two thousand, nine hundred seventy-one".