131172157703 has 8 divisors (see below), whose sum is σ = 131376064320. Its totient is φ = 130968312160.

The previous prime is 131172157639. The next prime is 131172157717. The reversal of 131172157703 is 307751271131.

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 131172157703 - 2⁶ = 131172157639 is a prime.

It is a super-2 number, since 2×131172157703² (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 (131172157723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170633 + ... + 6191853.

It is an arithmetic number, because the mean of its divisors is an integer number (16422008040).

Almost surely, 2^131172157703 is an apocalyptic number.

131172157703 is a deficient number, since it is larger than the sum of its proper divisors (203906617).

131172157703 is an equidigital number, since it uses as much as digits as its factorization.

131172157703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30537.

The product of its (nonzero) digits is 30870, while the sum is 38.

The spelling of 131172157703 in words is "one hundred thirty-one billion, one hundred seventy-two million, one hundred fifty-seven thousand, seven hundred three".