2031517881197 has 8 divisors (see below), whose sum is σ = 2384484308736. Its totient is φ = 1694238850512.

The previous prime is 2031517881191. The next prime is 2031517881247. The reversal of 2031517881197 is 7911887151302.

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 2031517881197 - 2⁸ = 2031517880941 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 (2031517881191) 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, 3921848933 + ... + 3921849450.

It is an arithmetic number, because the mean of its divisors is an integer number (298060538592).

Almost surely, 2^{2031517881197} is an apocalyptic number.

It is an amenable number.

2031517881197 is a deficient number, since it is larger than the sum of its proper divisors (352966427539).

2031517881197 is an equidigital number, since it uses as much as digits as its factorization.

2031517881197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7843698427.

The product of its (nonzero) digits is 846720, while the sum is 53.

The spelling of 2031517881197 in words is "two trillion, thirty-one billion, five hundred seventeen million, eight hundred eighty-one thousand, one hundred ninety-seven".