131045245321434 has 64 divisors (see below), whose sum is σ = 267000354508800. Its totient is φ = 42868349979840.

The previous prime is 131045245321433. The next prime is 131045245321453. The reversal of 131045245321434 is 434123542540131.

It is not an unprimeable number, because it can be changed into a prime (131045245321433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2589852867 + ... + 2589903465.

It is an arithmetic number, because the mean of its divisors is an integer number (4171880539200).

Almost surely, 2^{131045245321434} is an apocalyptic number.

131045245321434 is an abundant number, since it is smaller than the sum of its proper divisors (135955109187366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131045245321434 is a wasteful number, since it uses less digits than its factorization.

131045245321434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74715.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 131045245321434 its reverse (434123542540131), we get a palindrome (565168787861565).

The spelling of 131045245321434 in words is "one hundred thirty-one trillion, forty-five billion, two hundred forty-five million, three hundred twenty-one thousand, four hundred thirty-four".