31204441267249 has 2 divisors, whose sum is σ = 31204441267250. Its totient is φ = 31204441267248.

The previous prime is 31204441267211. The next prime is 31204441267291. The reversal of 31204441267249 is 94276214440213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27677437074225 + 3527004193024 = 5260935^2 + 1878032^2 .

It is a cyclic number.

It is not a de Polignac number, because 31204441267249 - 2⁴¹ = 29005418011697 is a prime.

It is not a weakly prime, because it can be changed into another prime (31204441217249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15602220633624 + 15602220633625.

It is an arithmetic number, because the mean of its divisors is an integer number (15602220633625).

Almost surely, 2^{31204441267249} is an apocalyptic number.

It is an amenable number.

31204441267249 is a deficient number, since it is larger than the sum of its proper divisors (1).

31204441267249 is an equidigital number, since it uses as much as digits as its factorization.

31204441267249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 31204441267249 in words is "thirty-one trillion, two hundred four billion, four hundred forty-one million, two hundred sixty-seven thousand, two hundred forty-nine".