1403312011 has 2 divisors, whose sum is σ = 1403312012. Its totient is φ = 1403312010.

The previous prime is 1403311979. The next prime is 1403312021. The reversal of 1403312011 is 1102133041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1403312011 - 2⁵ = 1403311979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1403312021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701656005 + 701656006.

It is an arithmetic number, because the mean of its divisors is an integer number (701656006).

Almost surely, 2^1403312011 is an apocalyptic number.

1403312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403312011 is an equidigital number, since it uses as much as digits as its factorization.

1403312011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1403312011 is about 37460.8063314179. The cubic root of 1403312011 is about 1119.5704164057.

Adding to 1403312011 its reverse (1102133041), we get a palindrome (2505445052).

The spelling of 1403312011 in words is "one billion, four hundred three million, three hundred twelve thousand, eleven".