131141120240431 has 8 divisors (see below), whose sum is σ = 152332542481184. Its totient is φ = 110563942122720.

The previous prime is 131141120240357. The next prime is 131141120240437. The reversal of 131141120240431 is 134042021141131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131141120240431 - 2⁹ = 131141120239919 is a prime.

It is a super-2 number, since 2×131141120240431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131141120240431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141120240437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153561030300 + ... + 153561031153.

It is an arithmetic number, because the mean of its divisors is an integer number (19041567810148).

Almost surely, 2^{131141120240431} is an apocalyptic number.

131141120240431 is a deficient number, since it is larger than the sum of its proper divisors (21191422240753).

131141120240431 is an equidigital number, since it uses as much as digits as its factorization.

131141120240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307122061521.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 131141120240431 its reverse (134042021141131), we get a palindrome (265183141381562).

The spelling of 131141120240431 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred twenty million, two hundred forty thousand, four hundred thirty-one".