1312030203 has 16 divisors (see below), whose sum is σ = 1912982400. Its totient is φ = 793263680.

The previous prime is 1312030201. The next prime is 1312030243. The reversal of 1312030203 is 3020302131.

It is not a de Polignac number, because 1312030203 - 2¹ = 1312030201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312030201) 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, 33618 + ... + 61271.

It is an arithmetic number, because the mean of its divisors is an integer number (119561400).

Almost surely, 2^1312030203 is an apocalyptic number.

1312030203 is a deficient number, since it is larger than the sum of its proper divisors (600952197).

1312030203 is a wasteful number, since it uses less digits than its factorization.

1312030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95322.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1312030203 is about 36221.9574705730. The cubic root of 1312030203 is about 1094.7491354172.

Adding to 1312030203 its reverse (3020302131), we get a palindrome (4332332334).

The spelling of 1312030203 in words is "one billion, three hundred twelve million, thirty thousand, two hundred three".