131322551553 has 12 divisors (see below), whose sum is σ = 191181739008. Its totient is φ = 86859009720.

The previous prime is 131322551431. The next prime is 131322551593. The reversal of 131322551553 is 355155223131.

131322551553 is a `hidden beast` number, since 1 + 3 + 1 + 32 + 25 + 51 + 553 = 666.

It is not a de Polignac number, because 131322551553 - 2²¹ = 131320454401 is a prime.

It is a super-2 number, since 2×131322551553² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131322551593) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 57445293 + ... + 57447578.

It is an arithmetic number, because the mean of its divisors is an integer number (15931811584).

Almost surely, 2^131322551553 is an apocalyptic number.

It is an amenable number.

131322551553 is a deficient number, since it is larger than the sum of its proper divisors (59859187455).

131322551553 is a wasteful number, since it uses less digits than its factorization.

131322551553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114893004 (or 114893001 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

Adding to 131322551553 its reverse (355155223131), we get a palindrome (486477774684).

The spelling of 131322551553 in words is "one hundred thirty-one billion, three hundred twenty-two million, five hundred fifty-one thousand, five hundred fifty-three".