12113431403 has 2 divisors, whose sum is σ = 12113431404. Its totient is φ = 12113431402.

The previous prime is 12113431391. The next prime is 12113431507. The reversal of 12113431403 is 30413431121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12113431403 - 2¹⁶ = 12113365867 is a prime.

It is not a weakly prime, because it can be changed into another prime (12113431103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056715701 + 6056715702.

It is an arithmetic number, because the mean of its divisors is an integer number (6056715702).

Almost surely, 2^12113431403 is an apocalyptic number.

12113431403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113431403 is an equidigital number, since it uses as much as digits as its factorization.

12113431403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12113431403 its reverse (30413431121), we get a palindrome (42526862524).

The spelling of 12113431403 in words is "twelve billion, one hundred thirteen million, four hundred thirty-one thousand, four hundred three".