131045333130440 has 16 divisors (see below), whose sum is σ = 294851999543580. Its totient is φ = 52418133252160.

The previous prime is 131045333130391. The next prime is 131045333130451. The reversal of 131045333130440 is 44031333540131.

It can be written as a sum of positive squares in 2 ways, for example, as 130250771260516 + 794561869924 = 11412746^2 + 891382^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131045333130440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1638066664091 + ... + 1638066664170.

Almost surely, 2^{131045333130440} is an apocalyptic number.

131045333130440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131045333130440 is an abundant number, since it is smaller than the sum of its proper divisors (163806666413140).

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

131045333130440 is a wasteful number, since it uses less digits than its factorization.

131045333130440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276133328272 (or 3276133328268 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 131045333130440 its reverse (44031333540131), we get a palindrome (175076666670571).

The spelling of 131045333130440 in words is "one hundred thirty-one trillion, forty-five billion, three hundred thirty-three million, one hundred thirty thousand, four hundred forty".