1312103133 has 12 divisors (see below), whose sum is σ = 2067556608. Its totient is φ = 795213960.

The previous prime is 1312103131. The next prime is 1312103137. The reversal of 1312103133 is 3313012131.

It is a happy number.

It is not a de Polignac number, because 1312103133 - 2¹ = 1312103131 is a prime.

It is a super-2 number, since 2×1312103133² = 3443229263256831378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312103131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6626685 + ... + 6626882.

It is an arithmetic number, because the mean of its divisors is an integer number (172296384).

Almost surely, 2^1312103133 is an apocalyptic number.

It is an amenable number.

1312103133 is a deficient number, since it is larger than the sum of its proper divisors (755453475).

1312103133 is a wasteful number, since it uses less digits than its factorization.

1312103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13253584 (or 13253581 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1312103133 is about 36222.9641663959. The cubic root of 1312103133 is about 1094.7694191411.

Adding to 1312103133 its reverse (3313012131), we get a palindrome (4625115264).

The spelling of 1312103133 in words is "one billion, three hundred twelve million, one hundred three thousand, one hundred thirty-three".