117372031 has 4 divisors (see below), whose sum is σ = 134139472. Its totient is φ = 100604592.

The previous prime is 117372001. The next prime is 117372041. The reversal of 117372031 is 130273711.

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 117372031 - 2¹¹ = 117369983 is a prime.

It is a super-2 number, since 2×117372031² = 27552387322129922, 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 = 117371987 and 117372005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117372001) 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, 8383710 + ... + 8383723.

It is an arithmetic number, because the mean of its divisors is an integer number (33534868).

Almost surely, 2^117372031 is an apocalyptic number.

117372031 is a deficient number, since it is larger than the sum of its proper divisors (16767441).

117372031 is an equidigital number, since it uses as much as digits as its factorization.

117372031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16767440.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 117372031 is about 10833.8373164821. The cubic root of 117372031 is about 489.6151789098.

The spelling of 117372031 in words is "one hundred seventeen million, three hundred seventy-two thousand, thirty-one".