3112321403 has 2 divisors, whose sum is σ = 3112321404. Its totient is φ = 3112321402.

The previous prime is 3112321369. The next prime is 3112321463. The reversal of 3112321403 is 3041232113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3112321403 - 2¹⁸ = 3112059259 is a prime.

It is not a weakly prime, because it can be changed into another prime (3112321463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556160701 + 1556160702.

It is an arithmetic number, because the mean of its divisors is an integer number (1556160702).

Almost surely, 2^3112321403 is an apocalyptic number.

3112321403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112321403 is an equidigital number, since it uses as much as digits as its factorization.

3112321403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3112321403 is about 55788.1833635045. The cubic root of 3112321403 is about 1460.0289921997.

Adding to 3112321403 its reverse (3041232113), we get a palindrome (6153553516).

The spelling of 3112321403 in words is "three billion, one hundred twelve million, three hundred twenty-one thousand, four hundred three".