1050421331 has 2 divisors, whose sum is σ = 1050421332. Its totient is φ = 1050421330.

The previous prime is 1050421297. The next prime is 1050421369. The reversal of 1050421331 is 1331240501.

1050421331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050421331 is a prime.

It is a super-2 number, since 2×1050421331² = 2206769945239623122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050420331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525210665 + 525210666.

It is an arithmetic number, because the mean of its divisors is an integer number (525210666).

Almost surely, 2^1050421331 is an apocalyptic number.

1050421331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050421331 is an equidigital number, since it uses as much as digits as its factorization.

1050421331 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 20.

The square root of 1050421331 is about 32410.2041184563. The cubic root of 1050421331 is about 1016.5322876170.

Adding to 1050421331 its reverse (1331240501), we get a palindrome (2381661832).

The spelling of 1050421331 in words is "one billion, fifty million, four hundred twenty-one thousand, three hundred thirty-one".