117031 has 4 divisors (see below), whose sum is σ = 120232. Its totient is φ = 113832.

The previous prime is 117023. The next prime is 117037. The reversal of 117031 is 130711.

117031 is nontrivially palindromic in base 2.

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

It is a cyclic number.

It is not a de Polignac number, because 117031 - 2³ = 117023 is a prime.

It is a super-2 number, since 2×117031² = 27392509922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 117031.

It is not an unprimeable number, because it can be changed into a prime (117037) 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, 1545 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (30058).

2¹¹⁷⁰³¹ is an apocalyptic number.

117031 is a deficient number, since it is larger than the sum of its proper divisors (3201).

117031 is an equidigital number, since it uses as much as digits as its factorization.

117031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 117031 is about 342.0979391929. The cubic root of 117031 is about 48.9140517466.

Adding to 117031 its reverse (130711), we get a palindrome (247742).

The spelling of 117031 in words is "one hundred seventeen thousand, thirty-one".