117575431 has 4 divisors (see below), whose sum is σ = 117599472. Its totient is φ = 117551392.

The previous prime is 117575389. The next prime is 117575441. The reversal of 117575431 is 134575711.

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: 134575711 = 47 ⋅2863313.

It is a cyclic number.

It is not a de Polignac number, because 117575431 - 2⁷ = 117575303 is a prime.

It is a super-2 number, since 2×117575431² = 27647963949671522, 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 (117575441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771 + ... + 15436.

It is an arithmetic number, because the mean of its divisors is an integer number (29399868).

Almost surely, 2^117575431 is an apocalyptic number.

117575431 is a deficient number, since it is larger than the sum of its proper divisors (24041).

117575431 is an equidigital number, since it uses as much as digits as its factorization.

117575431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24040.

The product of its digits is 14700, while the sum is 34.

The square root of 117575431 is about 10843.2205086865. The cubic root of 117575431 is about 489.8978420933.

The spelling of 117575431 in words is "one hundred seventeen million, five hundred seventy-five thousand, four hundred thirty-one".