117193431 has 8 divisors (see below), whose sum is σ = 157805424. Its totient is φ = 77355200.

The previous prime is 117193429. The next prime is 117193451. The reversal of 117193431 is 134391711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117193431 - 2¹ = 117193429 is a prime.

It is a super-2 number, since 2×117193431² = 27468600539103522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117193451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193086 + ... + 193691.

It is an arithmetic number, because the mean of its divisors is an integer number (19725678).

Almost surely, 2^117193431 is an apocalyptic number.

117193431 is a deficient number, since it is larger than the sum of its proper divisors (40611993).

117193431 is a wasteful number, since it uses less digits than its factorization.

117193431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386881.

The product of its digits is 2268, while the sum is 30.

The square root of 117193431 is about 10825.5914849952. The cubic root of 117193431 is about 489.3667106797.

The spelling of 117193431 in words is "one hundred seventeen million, one hundred ninety-three thousand, four hundred thirty-one".