131214520573 has 4 divisors (see below), whose sum is σ = 131221063260. Its totient is φ = 131207977888.

The previous prime is 131214520561. The next prime is 131214520583. The reversal of 131214520573 is 375025412131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375025412131 = 17207 ⋅21794933.

It can be written as a sum of positive squares in 2 ways, for example, as 39785089444 + 91429431129 = 199462^2 + 302373^2 .

It is a cyclic number.

It is not a de Polignac number, because 131214520573 - 2³³ = 122624585981 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 (131214520583) 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, 3241168 + ... + 3281401.

It is an arithmetic number, because the mean of its divisors is an integer number (32805265815).

Almost surely, 2^131214520573 is an apocalyptic number.

It is an amenable number.

131214520573 is a deficient number, since it is larger than the sum of its proper divisors (6542687).

131214520573 is an equidigital number, since it uses as much as digits as its factorization.

131214520573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542686.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 131214520573 in words is "one hundred thirty-one billion, two hundred fourteen million, five hundred twenty thousand, five hundred seventy-three".