131534322201253 has 4 divisors (see below), whose sum is σ = 131765489727660. Its totient is φ = 131303154674848.

The previous prime is 131534322201193. The next prime is 131534322201259. The reversal of 131534322201253 is 352102223435131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28363314821284 + 103171007379969 = 5325722^2 + 10157313^2 .

It is a cyclic number.

It is not a de Polignac number, because 131534322201253 - 2⁹ = 131534322200741 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 (131534322201259) 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, 115583762350 + ... + 115583763487.

It is an arithmetic number, because the mean of its divisors is an integer number (32941372431915).

Almost surely, 2^{131534322201253} is an apocalyptic number.

It is an amenable number.

131534322201253 is a deficient number, since it is larger than the sum of its proper divisors (231167526407).

131534322201253 is an equidigital number, since it uses as much as digits as its factorization.

131534322201253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231167526406.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 131534322201253 its reverse (352102223435131), we get a palindrome (483636545636384).

The spelling of 131534322201253 in words is "one hundred thirty-one trillion, five hundred thirty-four billion, three hundred twenty-two million, two hundred one thousand, two hundred fifty-three".