117746401231 has 4 divisors (see below), whose sum is σ = 118053833472. Its totient is φ = 117438968992.

The previous prime is 117746401193. The next prime is 117746401261. The reversal of 117746401231 is 132104647711.

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

It is a cyclic number.

It is not a de Polignac number, because 117746401231 - 2⁹ = 117746400719 is a prime.

It is a super-2 number, since 2×117746401231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117746401261) 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, 153715546 + ... + 153716311.

It is an arithmetic number, because the mean of its divisors is an integer number (29513458368).

Almost surely, 2^117746401231 is an apocalyptic number.

117746401231 is a deficient number, since it is larger than the sum of its proper divisors (307432241).

117746401231 is an equidigital number, since it uses as much as digits as its factorization.

117746401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307432240.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 117746401231 in words is "one hundred seventeen billion, seven hundred forty-six million, four hundred one thousand, two hundred thirty-one".