117737051331 has 4 divisors (see below), whose sum is σ = 156982735112. Its totient is φ = 78491367552.

The previous prime is 117737051321. The next prime is 117737051363. The reversal of 117737051331 is 133150737711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133150737711 = 3 ⋅44383579237.

It is not a de Polignac number, because 117737051331 - 2⁷ = 117737051203 is a prime.

It is a super-2 number, since 2×117737051331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117737051331.

It is not an unprimeable number, because it can be changed into a prime (117737051321) 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, 19622841886 + ... + 19622841891.

It is an arithmetic number, because the mean of its divisors is an integer number (39245683778).

Almost surely, 2^117737051331 is an apocalyptic number.

117737051331 is a deficient number, since it is larger than the sum of its proper divisors (39245683781).

117737051331 is an equidigital number, since it uses as much as digits as its factorization.

117737051331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39245683780.

The product of its (nonzero) digits is 46305, while the sum is 39.

The spelling of 117737051331 in words is "one hundred seventeen billion, seven hundred thirty-seven million, fifty-one thousand, three hundred thirty-one".