131241551353445 has 32 divisors (see below), whose sum is σ = 183961229004000. Its totient is φ = 88991070658560.

The previous prime is 131241551353373. The next prime is 131241551353447. The reversal of 131241551353445 is 544353155142131.

It can be written as a sum of positive squares in 16 ways, for example, as 34800548841601 + 96441002511844 = 5899199^2 + 9820438^2 .

It is not a de Polignac number, because 131241551353445 - 2²⁶ = 131241484244581 is a prime.

It is a super-2 number, since 2×131241551353445² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131241551353445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131241551353447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1448377070 + ... + 1448467679.

It is an arithmetic number, because the mean of its divisors is an integer number (5748788406375).

Almost surely, 2^{131241551353445} is an apocalyptic number.

It is an amenable number.

131241551353445 is a deficient number, since it is larger than the sum of its proper divisors (52719677650555).

131241551353445 is a wasteful number, since it uses less digits than its factorization.

131241551353445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896844825.

The product of its digits is 2160000, while the sum is 47.

The spelling of 131241551353445 in words is "one hundred thirty-one trillion, two hundred forty-one billion, five hundred fifty-one million, three hundred fifty-three thousand, four hundred forty-five".