117431207 has 4 divisors (see below), whose sum is σ = 118641936. Its totient is φ = 116220480.

The previous prime is 117431203. The next prime is 117431219. The reversal of 117431207 is 702134711.

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: 702134711 = 24979 ⋅28109.

It is a cyclic number.

It is not a de Polignac number, because 117431207 - 2² = 117431203 is a prime.

It is a super-3 number, since 3×117431207³ (a number of 25 digits) contains 333 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 (117431201) 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, 605219 + ... + 605412.

It is an arithmetic number, because the mean of its divisors is an integer number (29660484).

Almost surely, 2^117431207 is an apocalyptic number.

117431207 is a deficient number, since it is larger than the sum of its proper divisors (1210729).

117431207 is an equidigital number, since it uses as much as digits as its factorization.

117431207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210728.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 117431207 is about 10836.5680452808. The cubic root of 117431207 is about 489.6974489353.

Adding to 117431207 its reverse (702134711), we get a palindrome (819565918).

The spelling of 117431207 in words is "one hundred seventeen million, four hundred thirty-one thousand, two hundred seven".