117311429 has 2 divisors, whose sum is σ = 117311430. Its totient is φ = 117311428.

The previous prime is 117311401. The next prime is 117311449. The reversal of 117311429 is 924113711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 4739329 = 10610^2 + 2177^2 .

It is a cyclic number.

It is not a de Polignac number, because 117311429 - 2¹⁶ = 117245893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117311449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58655714 + 58655715.

It is an arithmetic number, because the mean of its divisors is an integer number (58655715).

Almost surely, 2^117311429 is an apocalyptic number.

It is an amenable number.

117311429 is a deficient number, since it is larger than the sum of its proper divisors (1).

117311429 is an equidigital number, since it uses as much as digits as its factorization.

117311429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 117311429 is about 10831.0400700948. The cubic root of 117311429 is about 489.5308977086.

The spelling of 117311429 in words is "one hundred seventeen million, three hundred eleven thousand, four hundred twenty-nine".