116431199 has 4 divisors (see below), whose sum is σ = 116953536. Its totient is φ = 115908864.

The previous prime is 116431177. The next prime is 116431219. The reversal of 116431199 is 991134611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991134611 = 1277 ⋅776143.

It is a cyclic number.

It is not a de Polignac number, because 116431199 - 2²⁰ = 115382623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116431169) 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, 260834 + ... + 261279.

It is an arithmetic number, because the mean of its divisors is an integer number (29238384).

Almost surely, 2^116431199 is an apocalyptic number.

116431199 is a deficient number, since it is larger than the sum of its proper divisors (522337).

116431199 is an equidigital number, since it uses as much as digits as its factorization.

116431199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522336.

The product of its digits is 5832, while the sum is 35.

The square root of 116431199 is about 10790.3289569874. The cubic root of 116431199 is about 488.3034468878.

The spelling of 116431199 in words is "one hundred sixteen million, four hundred thirty-one thousand, one hundred ninety-nine".