41531504505431 has 2 divisors, whose sum is σ = 41531504505432. Its totient is φ = 41531504505430.

The previous prime is 41531504505427. The next prime is 41531504505433. The reversal of 41531504505431 is 13450540513514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41531504505431 - 2² = 41531504505427 is a prime.

It is a super-2 number, since 2×41531504505431² (a number of 28 digits) contains 22 as substring.

Together with 41531504505433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41531504505433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20765752252715 + 20765752252716.

It is an arithmetic number, because the mean of its divisors is an integer number (20765752252716).

Almost surely, 2^{41531504505431} is an apocalyptic number.

41531504505431 is a deficient number, since it is larger than the sum of its proper divisors (1).

41531504505431 is an equidigital number, since it uses as much as digits as its factorization.

41531504505431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 41531504505431 in words is "forty-one trillion, five hundred thirty-one billion, five hundred four million, five hundred five thousand, four hundred thirty-one".