171131264311 has 8 divisors (see below), whose sum is σ = 195778778400. Its totient is φ = 146533797888.

The previous prime is 171131264279. The next prime is 171131264327. The reversal of 171131264311 is 113462131171.

It is a happy number.

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 171131264311 - 2⁵ = 171131264279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171131264351) 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, 12504586 + ... + 12518263.

It is an arithmetic number, because the mean of its divisors is an integer number (24472347300).

Almost surely, 2^171131264311 is an apocalyptic number.

171131264311 is a deficient number, since it is larger than the sum of its proper divisors (24647514089).

171131264311 is an equidigital number, since it uses as much as digits as its factorization.

171131264311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25023833.

The product of its digits is 3024, while the sum is 31.

Adding to 171131264311 its reverse (113462131171), we get a palindrome (284593395482).

It can be divided in two parts, 17113 and 1264311, that added together give a square (1281424 = 1132²).

The spelling of 171131264311 in words is "one hundred seventy-one billion, one hundred thirty-one million, two hundred sixty-four thousand, three hundred eleven".