131241432143429 has 2 divisors, whose sum is σ = 131241432143430. Its totient is φ = 131241432143428.

The previous prime is 131241432143383. The next prime is 131241432143441. The reversal of 131241432143429 is 924341234142131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111341116348900 + 19900315794529 = 10551830^2 + 4460977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131241432143429 is a prime.

It is a super-2 number, since 2×131241432143429² (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 131241432143429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131241432143489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620716071714 + 65620716071715.

It is an arithmetic number, because the mean of its divisors is an integer number (65620716071715).

Almost surely, 2^{131241432143429} is an apocalyptic number.

It is an amenable number.

131241432143429 is a deficient number, since it is larger than the sum of its proper divisors (1).

131241432143429 is an equidigital number, since it uses as much as digits as its factorization.

131241432143429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 44.

The spelling of 131241432143429 in words is "one hundred thirty-one trillion, two hundred forty-one billion, four hundred thirty-two million, one hundred forty-three thousand, four hundred twenty-nine".