1031013449 has 2 divisors, whose sum is σ = 1031013450. Its totient is φ = 1031013448.

The previous prime is 1031013439. The next prime is 1031013463. The reversal of 1031013449 is 9443101301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 763527424 + 267486025 = 27632^2 + 16355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031013449 - 2²⁴ = 1014236233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031013439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515506724 + 515506725.

It is an arithmetic number, because the mean of its divisors is an integer number (515506725).

Almost surely, 2^1031013449 is an apocalyptic number.

It is an amenable number.

1031013449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031013449 is an equidigital number, since it uses as much as digits as its factorization.

1031013449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1031013449 is about 32109.3981413542. The cubic root of 1031013449 is about 1010.2327500064.

The spelling of 1031013449 in words is "one billion, thirty-one million, thirteen thousand, four hundred forty-nine".