116995931 has 4 divisors (see below), whose sum is σ = 125995632. Its totient is φ = 107996232.

The previous prime is 116995927. The next prime is 116995937. The reversal of 116995931 is 139599611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139599611 = 263 ⋅530797.

It is a cyclic number.

It is not a de Polignac number, because 116995931 - 2² = 116995927 is a prime.

It is a super-2 number, since 2×116995931² = 27376095741113522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116995937) 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, 4499831 + ... + 4499856.

It is an arithmetic number, because the mean of its divisors is an integer number (31498908).

Almost surely, 2^116995931 is an apocalyptic number.

116995931 is a deficient number, since it is larger than the sum of its proper divisors (8999701).

116995931 is an equidigital number, since it uses as much as digits as its factorization.

116995931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999700.

The product of its digits is 65610, while the sum is 44.

The square root of 116995931 is about 10816.4657351651. The cubic root of 116995931 is about 489.0916546791.

The spelling of 116995931 in words is "one hundred sixteen million, nine hundred ninety-five thousand, nine hundred thirty-one".