11313231403 has 2 divisors, whose sum is σ = 11313231404. Its totient is φ = 11313231402.

The previous prime is 11313231361. The next prime is 11313231463. The reversal of 11313231403 is 30413231311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11313231403 - 2³³ = 2723296811 is a prime.

It is not a weakly prime, because it can be changed into another prime (11313231463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656615701 + 5656615702.

It is an arithmetic number, because the mean of its divisors is an integer number (5656615702).

Almost surely, 2^11313231403 is an apocalyptic number.

11313231403 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313231403 is an equidigital number, since it uses as much as digits as its factorization.

11313231403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11313231403 its reverse (30413231311), we get a palindrome (41726462714).

The spelling of 11313231403 in words is "eleven billion, three hundred thirteen million, two hundred thirty-one thousand, four hundred three".