116206331 has 4 divisors (see below), whose sum is σ = 116282712. Its totient is φ = 116129952.

The previous prime is 116206319. The next prime is 116206399. The reversal of 116206331 is 133602611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133602611 = 4597 ⋅29063.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116206331 is a prime.

It is a super-2 number, since 2×116206331² = 27007822728963122, 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 = 116206297 and 116206306.

It is not an unprimeable number, because it can be changed into a prime (116206031) 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, 35861 + ... + 38966.

It is an arithmetic number, because the mean of its divisors is an integer number (29070678).

Almost surely, 2^116206331 is an apocalyptic number.

116206331 is a deficient number, since it is larger than the sum of its proper divisors (76381).

116206331 is an equidigital number, since it uses as much as digits as its factorization.

116206331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76380.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 116206331 is about 10779.9040348233. The cubic root of 116206331 is about 487.9888846232.

Adding to 116206331 its reverse (133602611), we get a palindrome (249808942).

The spelling of 116206331 in words is "one hundred sixteen million, two hundred six thousand, three hundred thirty-one".