41291249231 has 2 divisors, whose sum is σ = 41291249232. Its totient is φ = 41291249230.

The previous prime is 41291249213. The next prime is 41291249257. The reversal of 41291249231 is 13294219214.

Together with previous prime (41291249213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41291249231 - 2²² = 41287054927 is a prime.

It is a super-2 number, since 2×41291249231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41291240231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20645624615 + 20645624616.

It is an arithmetic number, because the mean of its divisors is an integer number (20645624616).

Almost surely, 2^41291249231 is an apocalyptic number.

41291249231 is a deficient number, since it is larger than the sum of its proper divisors (1).

41291249231 is an equidigital number, since it uses as much as digits as its factorization.

41291249231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The spelling of 41291249231 in words is "forty-one billion, two hundred ninety-one million, two hundred forty-nine thousand, two hundred thirty-one".