31059449 has 2 divisors, whose sum is σ = 31059450. Its totient is φ = 31059448.

The previous prime is 31059439. The next prime is 31059451. The reversal of 31059449 is 94495013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 5607424 = 5045^2 + 2368^2 .

It is a cyclic number.

It is not a de Polignac number, because 31059449 - 2¹⁶ = 30993913 is a prime.

Together with 31059451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31059439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15529724 + 15529725.

It is an arithmetic number, because the mean of its divisors is an integer number (15529725).

Almost surely, 2^31059449 is an apocalyptic number.

It is an amenable number.

31059449 is a deficient number, since it is larger than the sum of its proper divisors (1).

31059449 is an equidigital number, since it uses as much as digits as its factorization.

31059449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 31059449 is about 5573.1004835729. The cubic root of 31059449 is about 314.3387455475.

The spelling of 31059449 in words is "thirty-one million, fifty-nine thousand, four hundred forty-nine".