1313144243203 has 16 divisors (see below), whose sum is σ = 1439173281280. Its totient is φ = 1190787798816.

The previous prime is 1313144243197. The next prime is 1313144243209. The reversal of 1313144243203 is 3023424413131.

It is an interprime number because it is at equal distance from previous prime (1313144243197) and next prime (1313144243209).

It is a cyclic number.

It is not a de Polignac number, because 1313144243203 - 2⁹ = 1313144242691 is a prime.

It is a super-2 number, since 2×1313144243203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313144243209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1734333 + ... + 2373646.

It is an arithmetic number, because the mean of its divisors is an integer number (89948330080).

Almost surely, 2^{1313144243203} is an apocalyptic number.

1313144243203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313144243203 is a deficient number, since it is larger than the sum of its proper divisors (126029038077).

1313144243203 is a wasteful number, since it uses less digits than its factorization.

1313144243203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108426.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1313144243203 its reverse (3023424413131), we get a palindrome (4336568656334).

The spelling of 1313144243203 in words is "one trillion, three hundred thirteen billion, one hundred forty-four million, two hundred forty-three thousand, two hundred three".