1002231331403 has 2 divisors, whose sum is σ = 1002231331404. Its totient is φ = 1002231331402.

The previous prime is 1002231331373. The next prime is 1002231331427. The reversal of 1002231331403 is 3041331322001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002231331403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002231331103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501115665701 + 501115665702.

It is an arithmetic number, because the mean of its divisors is an integer number (501115665702).

Almost surely, 2^{1002231331403} is an apocalyptic number.

1002231331403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002231331403 is an equidigital number, since it uses as much as digits as its factorization.

1002231331403 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 23.

Adding to 1002231331403 its reverse (3041331322001), we get a palindrome (4043562653404).

The spelling of 1002231331403 in words is "one trillion, two billion, two hundred thirty-one million, three hundred thirty-one thousand, four hundred three".