116261031 has 4 divisors (see below), whose sum is σ = 155014712. Its totient is φ = 77507352.

The previous prime is 116261027. The next prime is 116261063. The reversal of 116261031 is 130162611.

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

It is not a de Polignac number, because 116261031 - 2² = 116261027 is a prime.

It is a super-2 number, since 2×116261031² = 27033254658365922, 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 = 116260989 and 116261007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116261071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19376836 + ... + 19376841.

It is an arithmetic number, because the mean of its divisors is an integer number (38753678).

Almost surely, 2^116261031 is an apocalyptic number.

116261031 is a deficient number, since it is larger than the sum of its proper divisors (38753681).

116261031 is an equidigital number, since it uses as much as digits as its factorization.

116261031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38753680.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 116261031 is about 10782.4408646651. The cubic root of 116261031 is about 488.0654404201.

The spelling of 116261031 in words is "one hundred sixteen million, two hundred sixty-one thousand, thirty-one".