131040303234021 has 96 divisors (see below), whose sum is σ = 209969608882560. Its totient is φ = 80733144268800.

The previous prime is 131040303234011. The next prime is 131040303234079. The reversal of 131040303234021 is 120432303040131.

It is a happy number.

131040303234021 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 403 + 0 + 3 + 234 + 0 + 21 = 666.

It is not a de Polignac number, because 131040303234021 - 2⁷ = 131040303233893 is a prime.

It is a super-2 number, since 2×131040303234021² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131040303234011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 274403626 + ... + 274880756.

It is an arithmetic number, because the mean of its divisors is an integer number (2187183425860).

Almost surely, 2^{131040303234021} is an apocalyptic number.

It is an amenable number.

131040303234021 is a deficient number, since it is larger than the sum of its proper divisors (78929305648539).

131040303234021 is a wasteful number, since it uses less digits than its factorization.

131040303234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477812 (or 477789 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 131040303234021 its reverse (120432303040131), we get a palindrome (251472606274152).

The spelling of 131040303234021 in words is "one hundred thirty-one trillion, forty billion, three hundred three million, two hundred thirty-four thousand, twenty-one".