117431206 has 16 divisors (see below), whose sum is σ = 187403760. Its totient is φ = 54996480.

The previous prime is 117431203. The next prime is 117431219. The reversal of 117431206 is 602134711.

It is a super-2 number, since 2×117431206² = 27580176285228872, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 15358.

It is an arithmetic number, because the mean of its divisors is an integer number (11712735).

Almost surely, 2^117431206 is an apocalyptic number.

117431206 is a deficient number, since it is larger than the sum of its proper divisors (69972554).

117431206 is a wasteful number, since it uses less digits than its factorization.

117431206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16599.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 117431206 is about 10836.5679991407. The cubic root of 117431206 is about 489.6974475453.

Adding to 117431206 its reverse (602134711), we get a palindrome (719565917).

The spelling of 117431206 in words is "one hundred seventeen million, four hundred thirty-one thousand, two hundred six".