117345052731 has 8 divisors (see below), whose sum is σ = 156506497344. Its totient is φ = 78206821640.

The previous prime is 117345052717. The next prime is 117345052751. The reversal of 117345052731 is 137250543711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117345052731 - 2⁷ = 117345052603 is a prime.

It is a super-2 number, since 2×117345052731² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117345052731.

It is not an unprimeable number, because it can be changed into a prime (117345052751) 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, 5791581 + ... + 5811806.

It is an arithmetic number, because the mean of its divisors is an integer number (19563312168).

Almost surely, 2^117345052731 is an apocalyptic number.

117345052731 is a deficient number, since it is larger than the sum of its proper divisors (39161444613).

117345052731 is a wasteful number, since it uses less digits than its factorization.

117345052731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606761.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 117345052731 in words is "one hundred seventeen billion, three hundred forty-five million, fifty-two thousand, seven hundred thirty-one".