2115114931 has 4 divisors (see below), whose sum is σ = 2121107112. Its totient is φ = 2109122752.

The previous prime is 2115114923. The next prime is 2115114943. The reversal of 2115114931 is 1394115112.

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

It is a cyclic number.

It is not a de Polignac number, because 2115114931 - 2³ = 2115114923 is a prime.

It is a super-2 number, since 2×2115114931² = 8947422342678269522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2115114931.

It is not an unprimeable number, because it can be changed into a prime (2115114961) 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, 2995561 + ... + 2996266.

It is an arithmetic number, because the mean of its divisors is an integer number (530276778).

Almost surely, 2^2115114931 is an apocalyptic number.

2115114931 is a deficient number, since it is larger than the sum of its proper divisors (5992181).

2115114931 is an equidigital number, since it uses as much as digits as its factorization.

2115114931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992180.

The product of its digits is 1080, while the sum is 28.

The square root of 2115114931 is about 45990.3786785889. The cubic root of 2115114931 is about 1283.6441827685.

The spelling of 2115114931 in words is "two billion, one hundred fifteen million, one hundred fourteen thousand, nine hundred thirty-one".