1311050456 has 32 divisors (see below), whose sum is σ = 2509218000. Its totient is φ = 642064896.

The previous prime is 1311050441. The next prime is 1311050467. The reversal of 1311050456 is 6540501131.

1311050456 = 3794² + 3795² + ... + 3882².

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 67580 + ... + 84788.

Almost surely, 2^1311050456 is an apocalyptic number.

It is an amenable number.

1311050456 is a deficient number, since it is larger than the sum of its proper divisors (1198167544).

1311050456 is a wasteful number, since it uses less digits than its factorization.

1311050456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17411 (or 17407 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1311050456 is about 36208.4307309776. The cubic root of 1311050456 is about 1094.4765694684.

Adding to 1311050456 its reverse (6540501131), we get a palindrome (7851551587).

The spelling of 1311050456 in words is "one billion, three hundred eleven million, fifty thousand, four hundred fifty-six".