1312224103 has 8 divisors (see below), whose sum is σ = 1358748000. Its totient is φ = 1265785248.

The previous prime is 1312224091. The next prime is 1312224143. The reversal of 1312224103 is 3014222131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312224103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312224143) 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 in 7 ways as a sum of consecutive naturals, for example, 10998 + ... + 52396.

It is an arithmetic number, because the mean of its divisors is an integer number (169843500).

Almost surely, 2^1312224103 is an apocalyptic number.

1312224103 is a deficient number, since it is larger than the sum of its proper divisors (46523897).

1312224103 is a wasteful number, since it uses less digits than its factorization.

1312224103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42521.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1312224103 is about 36224.6339249964. The cubic root of 1312224103 is about 1094.8030623773.

Adding to 1312224103 its reverse (3014222131), we get a palindrome (4326446234).

The spelling of 1312224103 in words is "one billion, three hundred twelve million, two hundred twenty-four thousand, one hundred three".