117347231237 has 4 divisors (see below), whose sum is σ = 117351495756. Its totient is φ = 117342966720.

The previous prime is 117347231207. The next prime is 117347231251. The reversal of 117347231237 is 732132743711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41030958721 + 76316272516 = 202561^2 + 276254^2 .

It is a cyclic number.

It is not a de Polignac number, because 117347231237 - 2³⁶ = 48627754501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117347231194 and 117347231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117347231207) 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, 2090714 + ... + 2146107.

It is an arithmetic number, because the mean of its divisors is an integer number (29337873939).

Almost surely, 2^117347231237 is an apocalyptic number.

It is an amenable number.

117347231237 is a deficient number, since it is larger than the sum of its proper divisors (4264519).

117347231237 is an equidigital number, since it uses as much as digits as its factorization.

117347231237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264518.

The product of its digits is 148176, while the sum is 41.

Adding to 117347231237 its reverse (732132743711), we get a palindrome (849479974948).

The spelling of 117347231237 in words is "one hundred seventeen billion, three hundred forty-seven million, two hundred thirty-one thousand, two hundred thirty-seven".