131375323475 has 36 divisors (see below), whose sum is σ = 179273925288. Its totient is φ = 95497604400.

The previous prime is 131375323463. The next prime is 131375323487. The reversal of 131375323475 is 574323573131.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (131375323463) and next prime (131375323487).

It is a de Polignac number, because none of the positive numbers 2^k-131375323475 is a prime.

It is a super-3 number, since 3×131375323475³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66116432 + ... + 66118418.

It is an arithmetic number, because the mean of its divisors is an integer number (4979831258).

Almost surely, 2^131375323475 is an apocalyptic number.

131375323475 is a deficient number, since it is larger than the sum of its proper divisors (47898601813).

131375323475 is an frugal number, since it uses more digits than its factorization.

131375323475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 2003 counting only the distinct ones).

The product of its digits is 793800, while the sum is 44.

Multiplying 131375323475 by its sum of digits (44), we get a square (5780514232900 = 2404270²).

The spelling of 131375323475 in words is "one hundred thirty-one billion, three hundred seventy-five million, three hundred twenty-three thousand, four hundred seventy-five".