1021341403 has 2 divisors, whose sum is σ = 1021341404. Its totient is φ = 1021341402.

The previous prime is 1021341397. The next prime is 1021341437. The reversal of 1021341403 is 3041431201.

It is a weak prime.

It is an emirp because it is prime and its reverse (3041431201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021341403 - 2¹⁷ = 1021210331 is a prime.

It is a super-2 number, since 2×1021341403² = 2086276522964016818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1021341103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510670701 + 510670702.

It is an arithmetic number, because the mean of its divisors is an integer number (510670702).

Almost surely, 2^1021341403 is an apocalyptic number.

1021341403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021341403 is an equidigital number, since it uses as much as digits as its factorization.

1021341403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1021341403 is about 31958.4324240098. The cubic root of 1021341403 is about 1007.0637864338.

Adding to 1021341403 its reverse (3041431201), we get a palindrome (4062772604).

The spelling of 1021341403 in words is "one billion, twenty-one million, three hundred forty-one thousand, four hundred three".