131345454252101 has 4 divisors (see below), whose sum is σ = 131345710276704. Its totient is φ = 131345198227500.

The previous prime is 131345454252073. The next prime is 131345454252121. The reversal of 131345454252101 is 101252454543131.

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 131345454252101 - 2¹⁴ = 131345454235717 is a prime.

It is a super-2 number, since 2×131345454252101² (a number of 29 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 (131345454252121) 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, 127241225 + ... + 128269326.

It is an arithmetic number, because the mean of its divisors is an integer number (32836427569176).

Almost surely, 2^{131345454252101} is an apocalyptic number.

It is an amenable number.

131345454252101 is a deficient number, since it is larger than the sum of its proper divisors (256024603).

131345454252101 is an equidigital number, since it uses as much as digits as its factorization.

131345454252101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256024602.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 131345454252101 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred fifty-four million, two hundred fifty-two thousand, one hundred one".