131540303445 has 32 divisors (see below), whose sum is σ = 220229796864. Its totient is φ = 66961728000.

The previous prime is 131540303441. The next prime is 131540303459. The reversal of 131540303445 is 544303045131.

It is not a de Polignac number, because 131540303445 - 2² = 131540303441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131540303441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1903606 + ... + 1971495.

It is an arithmetic number, because the mean of its divisors is an integer number (6882181152).

Almost surely, 2^131540303445 is an apocalyptic number.

131540303445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131540303445 is a deficient number, since it is larger than the sum of its proper divisors (88689493419).

131540303445 is a wasteful number, since it uses less digits than its factorization.

131540303445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875213.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 131540303445 its reverse (544303045131), we get a palindrome (675843348576).

The spelling of 131540303445 in words is "one hundred thirty-one billion, five hundred forty million, three hundred three thousand, four hundred forty-five".