1312322103 has 6 divisors (see below), whose sum is σ = 1895576384. Its totient is φ = 874881396.

The previous prime is 1312322051. The next prime is 1312322131. The reversal of 1312322103 is 3012232131.

It is not a de Polignac number, because 1312322103 - 2¹³ = 1312313911 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 (1312322003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72906775 + ... + 72906792.

Almost surely, 2^1312322103 is an apocalyptic number.

1312322103 is a deficient number, since it is larger than the sum of its proper divisors (583254281).

1312322103 is a wasteful number, since it uses less digits than its factorization.

1312322103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145813573 (or 145813570 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1312322103 is about 36225.9865704165. The cubic root of 1312322103 is about 1094.8303158596.

Adding to 1312322103 its reverse (3012232131), we get a palindrome (4324554234).

The spelling of 1312322103 in words is "one billion, three hundred twelve million, three hundred twenty-two thousand, one hundred three".