2114781131 has 4 divisors (see below), whose sum is σ = 2114889192. Its totient is φ = 2114673072.

The previous prime is 2114781103. The next prime is 2114781199. The reversal of 2114781131 is 1311874112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2114781131 - 2²² = 2110586827 is a prime.

It is a super-2 number, since 2×2114781131² = 8944598464067278322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2114781094 and 2114781103.

It is not an unprimeable number, because it can be changed into a prime (2114781631) 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, 15530 + ... + 66863.

It is an arithmetic number, because the mean of its divisors is an integer number (528722298).

Almost surely, 2^2114781131 is an apocalyptic number.

2114781131 is a deficient number, since it is larger than the sum of its proper divisors (108061).

2114781131 is an equidigital number, since it uses as much as digits as its factorization.

2114781131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108060.

The product of its digits is 1344, while the sum is 29.

The square root of 2114781131 is about 45986.7495154854. The cubic root of 2114781131 is about 1283.5766524790.

The spelling of 2114781131 in words is "two billion, one hundred fourteen million, seven hundred eighty-one thousand, one hundred thirty-one".