1313212103 has 12 divisors (see below), whose sum is σ = 1568903112. Its totient is φ = 1095186960.

The previous prime is 1313212099. The next prime is 1313212169. The reversal of 1313212103 is 3012123131.

It is not a de Polignac number, because 1313212103 - 2² = 1313212099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313212183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360353 + ... + 363978.

It is an arithmetic number, because the mean of its divisors is an integer number (130741926).

Almost surely, 2^1313212103 is an apocalyptic number.

1313212103 is a deficient number, since it is larger than the sum of its proper divisors (255691009).

1313212103 is an equidigital number, since it uses as much as digits as its factorization.

1313212103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724382 (or 724375 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1313212103 is about 36238.2684878845. The cubic root of 1313212103 is about 1095.0777598845.

Adding to 1313212103 its reverse (3012123131), we get a palindrome (4325335234).

The spelling of 1313212103 in words is "one billion, three hundred thirteen million, two hundred twelve thousand, one hundred three".