117649031 has 2 divisors, whose sum is σ = 117649032. Its totient is φ = 117649030.

The previous prime is 117648929. The next prime is 117649039. The reversal of 117649031 is 130946711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117649031 - 2²² = 113454727 is a prime.

It is a super-2 number, since 2×117649031² = 27682588990477922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117649039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58824515 + 58824516.

It is an arithmetic number, because the mean of its divisors is an integer number (58824516).

Almost surely, 2^117649031 is an apocalyptic number.

117649031 is a deficient number, since it is larger than the sum of its proper divisors (1).

117649031 is an equidigital number, since it uses as much as digits as its factorization.

117649031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 117649031 is about 10846.6138033950. The cubic root of 117649031 is about 490.0000430376. Note that the first 4 decimals are identical.

The spelling of 117649031 in words is "one hundred seventeen million, six hundred forty-nine thousand, thirty-one".