31405501254241 has 2 divisors, whose sum is σ = 31405501254242. Its totient is φ = 31405501254240.

The previous prime is 31405501254227. The next prime is 31405501254299. The reversal of 31405501254241 is 14245210550413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29510198364241 + 1895302890000 = 5432329^2 + 1376700^2 .

It is a cyclic number.

It is not a de Polignac number, because 31405501254241 - 2²⁹ = 31404964383329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31405501254241.

It is not a weakly prime, because it can be changed into another prime (31405501254221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15702750627120 + 15702750627121.

It is an arithmetic number, because the mean of its divisors is an integer number (15702750627121).

Almost surely, 2^{31405501254241} is an apocalyptic number.

It is an amenable number.

31405501254241 is a deficient number, since it is larger than the sum of its proper divisors (1).

31405501254241 is an equidigital number, since it uses as much as digits as its factorization.

31405501254241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 31405501254241 in words is "thirty-one trillion, four hundred five billion, five hundred one million, two hundred fifty-four thousand, two hundred forty-one".