131145530304451 has 16 divisors (see below), whose sum is σ = 141962810976000. Its totient is φ = 120432582455328.

The previous prime is 131145530304421. The next prime is 131145530304473. The reversal of 131145530304451 is 154403035541131.

It is not a de Polignac number, because 131145530304451 - 2¹⁵ = 131145530271683 is a prime.

It is a super-2 number, since 2×131145530304451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131145530304421) 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 15 ways as a sum of consecutive naturals, for example, 15434340 + ... + 22372078.

It is an arithmetic number, because the mean of its divisors is an integer number (8872675686000).

Almost surely, 2^{131145530304451} is an apocalyptic number.

131145530304451 is a deficient number, since it is larger than the sum of its proper divisors (10817280671549).

131145530304451 is a wasteful number, since it uses less digits than its factorization.

131145530304451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945258.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 131145530304451 its reverse (154403035541131), we get a palindrome (285548565845582).

The spelling of 131145530304451 in words is "one hundred thirty-one trillion, one hundred forty-five billion, five hundred thirty million, three hundred four thousand, four hundred fifty-one".