116147831 has 4 divisors (see below), whose sum is σ = 116363064. Its totient is φ = 115932600.

The previous prime is 116147827. The next prime is 116147839. The reversal of 116147831 is 138741611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138741611 = 821 ⋅168991.

It is a cyclic number.

It is not a de Polignac number, because 116147831 - 2² = 116147827 is a prime.

It is a super-2 number, since 2×116147831² = 26980637292009122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116147839) 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, 106805 + ... + 107886.

It is an arithmetic number, because the mean of its divisors is an integer number (29090766).

Almost surely, 2^116147831 is an apocalyptic number.

116147831 is a deficient number, since it is larger than the sum of its proper divisors (215233).

116147831 is an equidigital number, since it uses as much as digits as its factorization.

116147831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215232.

The product of its digits is 4032, while the sum is 32.

The square root of 116147831 is about 10777.1903110226. The cubic root of 116147831 is about 487.9069839177.

The spelling of 116147831 in words is "one hundred sixteen million, one hundred forty-seven thousand, eight hundred thirty-one".