1312033203 has 24 divisors (see below), whose sum is σ = 2043306720. Its totient is φ = 806469120.

The previous prime is 1312033193. The next prime is 1312033213. The reversal of 1312033203 is 3023302131.

It is an interprime number because it is at equal distance from previous prime (1312033193) and next prime (1312033213).

It is not a de Polignac number, because 1312033203 - 2⁴ = 1312033187 is a prime.

It is a super-2 number, since 2×1312033203² = 3442862251548878418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312033213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102658 + ... + 114728.

It is an arithmetic number, because the mean of its divisors is an integer number (85137780).

Almost surely, 2^1312033203 is an apocalyptic number.

1312033203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312033203 is a deficient number, since it is larger than the sum of its proper divisors (731273517).

1312033203 is a wasteful number, since it uses less digits than its factorization.

1312033203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13019 (or 13016 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1312033203 is about 36221.9988818950. The cubic root of 1312033203 is about 1094.7499698098.

Adding to 1312033203 its reverse (3023302131), we get a palindrome (4335335334).

The spelling of 1312033203 in words is "one billion, three hundred twelve million, thirty-three thousand, two hundred three".