131312301445 has 16 divisors (see below), whose sum is σ = 171197640432. Its totient is φ = 96110945280.

The previous prime is 131312301409. The next prime is 131312301451. The reversal of 131312301445 is 544103213131.

It can be written as a sum of positive squares in 8 ways, for example, as 9942283521 + 121370017924 = 99711^2 + 348382^2 .

It is not a de Polignac number, because 131312301445 - 2¹³ = 131312293253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8931546 + ... + 8946235.

It is an arithmetic number, because the mean of its divisors is an integer number (10699852527).

Almost surely, 2^131312301445 is an apocalyptic number.

It is an amenable number.

131312301445 is a deficient number, since it is larger than the sum of its proper divisors (39885338987).

131312301445 is a wasteful number, since it uses less digits than its factorization.

131312301445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877912.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 131312301445 its reverse (544103213131), we get a palindrome (675415514576).

The spelling of 131312301445 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred one thousand, four hundred forty-five".