131582630173 has 4 divisors (see below), whose sum is σ = 131593460608. Its totient is φ = 131571799740.

The previous prime is 131582630167. The next prime is 131582630203. The reversal of 131582630173 is 371036285131.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 131582630173 - 2⁵ = 131582630141 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 (131582640173) 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, 5396973 + ... + 5421298.

It is an arithmetic number, because the mean of its divisors is an integer number (32898365152).

Almost surely, 2^131582630173 is an apocalyptic number.

It is an amenable number.

131582630173 is a deficient number, since it is larger than the sum of its proper divisors (10830435).

131582630173 is a wasteful number, since it uses less digits than its factorization.

131582630173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10830434.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 131582630173 in words is "one hundred thirty-one billion, five hundred eighty-two million, six hundred thirty thousand, one hundred seventy-three".