131301451453 has 4 divisors (see below), whose sum is σ = 135829087740. Its totient is φ = 126773815168.

The previous prime is 131301451417. The next prime is 131301451469. The reversal of 131301451453 is 354154103131.

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 24778852569 + 106522598884 = 157413^2 + 326378^2 .

It is a cyclic number.

It is not a de Polignac number, because 131301451453 - 2³³ = 122711516861 is a prime.

It is a super-2 number, since 2×131301451453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301401453) 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, 2263818100 + ... + 2263818157.

It is an arithmetic number, because the mean of its divisors is an integer number (33957271935).

Almost surely, 2^131301451453 is an apocalyptic number.

It is an amenable number.

131301451453 is a deficient number, since it is larger than the sum of its proper divisors (4527636287).

131301451453 is an equidigital number, since it uses as much as digits as its factorization.

131301451453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527636286.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 131301451453 its reverse (354154103131), we get a palindrome (485455554584).

The spelling of 131301451453 in words is "one hundred thirty-one billion, three hundred one million, four hundred fifty-one thousand, four hundred fifty-three".