31044004289 has 2 divisors, whose sum is σ = 31044004290. Its totient is φ = 31044004288.

The previous prime is 31044004231. The next prime is 31044004301. The reversal of 31044004289 is 98240044013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24400939264 + 6643065025 = 156208^2 + 81505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31044004289 is a prime.

It is not a weakly prime, because it can be changed into another prime (31044004219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15522002144 + 15522002145.

It is an arithmetic number, because the mean of its divisors is an integer number (15522002145).

Almost surely, 2^31044004289 is an apocalyptic number.

It is an amenable number.

31044004289 is a deficient number, since it is larger than the sum of its proper divisors (1).

31044004289 is an equidigital number, since it uses as much as digits as its factorization.

31044004289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 31044004289 in words is "thirty-one billion, forty-four million, four thousand, two hundred eighty-nine".