131032573 has 4 divisors (see below), whose sum is σ = 149751520. Its totient is φ = 112313628.

The previous prime is 131032571. The next prime is 131032609. The reversal of 131032573 is 375230131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 375230131 = 2837 ⋅132263.

It is not a de Polignac number, because 131032573 - 2¹ = 131032571 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 (131032571) 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, 9359463 + ... + 9359476.

It is an arithmetic number, because the mean of its divisors is an integer number (37437880).

Almost surely, 2^131032573 is an apocalyptic number.

It is an amenable number.

131032573 is a deficient number, since it is larger than the sum of its proper divisors (18718947).

131032573 is an equidigital number, since it uses as much as digits as its factorization.

131032573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18718946.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 131032573 is about 11446.9460119282. The cubic root of 131032573 is about 507.9173985294.

The spelling of 131032573 in words is "one hundred thirty-one million, thirty-two thousand, five hundred seventy-three".