131345102031423 has 128 divisors (see below), whose sum is σ = 216208870686720. Its totient is φ = 69258661355520.

The previous prime is 131345102031389. The next prime is 131345102031431. The reversal of 131345102031423 is 324130201543131.

It is not a de Polignac number, because 131345102031423 - 2²¹ = 131345099934271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131345102031023) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2003920390 + ... + 2003985932.

It is an arithmetic number, because the mean of its divisors is an integer number (1689131802240).

Almost surely, 2^{131345102031423} is an apocalyptic number.

131345102031423 is a deficient number, since it is larger than the sum of its proper divisors (84863768655297).

131345102031423 is a wasteful number, since it uses less digits than its factorization.

131345102031423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66309.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 131345102031423 its reverse (324130201543131), we get a palindrome (455475303574554).

The spelling of 131345102031423 in words is "one hundred thirty-one trillion, three hundred forty-five billion, one hundred two million, thirty-one thousand, four hundred twenty-three".