172310131313841 has 4 divisors (see below), whose sum is σ = 229746841751792. Its totient is φ = 114873420875892.

The previous prime is 172310131313839. The next prime is 172310131313849. The reversal of 172310131313841 is 148313131013271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 172310131313841 - 2¹ = 172310131313839 is a prime.

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 172310131313841.

It is not an unprimeable number, because it can be changed into a prime (172310131313849) 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, 28718355218971 + ... + 28718355218976.

It is an arithmetic number, because the mean of its divisors is an integer number (57436710437948).

Almost surely, 2^{172310131313841} is an apocalyptic number.

It is an amenable number.

172310131313841 is a deficient number, since it is larger than the sum of its proper divisors (57436710437951).

172310131313841 is an equidigital number, since it uses as much as digits as its factorization.

172310131313841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57436710437950.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 172310131313841 in words is "one hundred seventy-two trillion, three hundred ten billion, one hundred thirty-one million, three hundred thirteen thousand, eight hundred forty-one".