1050113381 has 2 divisors, whose sum is σ = 1050113382. Its totient is φ = 1050113380.

The previous prime is 1050113321. The next prime is 1050113399. The reversal of 1050113381 is 1833110501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897961156 + 152152225 = 29966^2 + 12335^2 .

It is an emirp because it is prime and its reverse (1833110501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050113381 is a prime.

It is a super-2 number, since 2×1050113381² = 2205476225910502322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1050113321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525056690 + 525056691.

It is an arithmetic number, because the mean of its divisors is an integer number (525056691).

Almost surely, 2^1050113381 is an apocalyptic number.

It is an amenable number.

1050113381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050113381 is an equidigital number, since it uses as much as digits as its factorization.

1050113381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1050113381 is about 32405.4529516253. The cubic root of 1050113381 is about 1016.4329396363.

Adding to 1050113381 its reverse (1833110501), we get a palindrome (2883223882).

The spelling of 1050113381 in words is "one billion, fifty million, one hundred thirteen thousand, three hundred eighty-one".