1331415403 has 2 divisors, whose sum is σ = 1331415404. Its totient is φ = 1331415402.

The previous prime is 1331415353. The next prime is 1331415409. The reversal of 1331415403 is 3045141331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331415403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331415409) 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, 665707701 + 665707702.

It is an arithmetic number, because the mean of its divisors is an integer number (665707702).

Almost surely, 2^1331415403 is an apocalyptic number.

1331415403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331415403 is an equidigital number, since it uses as much as digits as its factorization.

1331415403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1331415403 is about 36488.5653732782. The cubic root of 1331415403 is about 1100.1144241851.

Adding to 1331415403 its reverse (3045141331), we get a palindrome (4376556734).

The spelling of 1331415403 in words is "one billion, three hundred thirty-one million, four hundred fifteen thousand, four hundred three".