131420302521255 has 72 divisors (see below), whose sum is σ = 250564169353680. Its totient is φ = 63673708032000.

The previous prime is 131420302521247. The next prime is 131420302521293. The reversal of 131420302521255 is 552125203024131.

131420302521255 is a `hidden beast` number, since 1 + 31 + 4 + 20 + 30 + 2 + 521 + 2 + 55 = 666.

It is not a de Polignac number, because 131420302521255 - 2³ = 131420302521247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 892921 + ... + 16236930.

It is an arithmetic number, because the mean of its divisors is an integer number (3480057907690).

Almost surely, 2^{131420302521255} is an apocalyptic number.

131420302521255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131420302521255 is a deficient number, since it is larger than the sum of its proper divisors (119143866832425).

131420302521255 is a wasteful number, since it uses less digits than its factorization.

131420302521255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131293 (or 17131279 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 131420302521255 its reverse (552125203024131), we get a palindrome (683545505545386).

The spelling of 131420302521255 in words is "one hundred thirty-one trillion, four hundred twenty billion, three hundred two million, five hundred twenty-one thousand, two hundred fifty-five".