1003130311213 has 4 divisors (see below), whose sum is σ = 1004984526748. Its totient is φ = 1001276095680.

The previous prime is 1003130311181. The next prime is 1003130311241. The reversal of 1003130311213 is 3121130313001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154054680004 + 849075631209 = 392498^2 + 921453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003130311213 - 2⁵ = 1003130311181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003130311283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927106956 + ... + 927108037.

It is an arithmetic number, because the mean of its divisors is an integer number (251246131687).

Almost surely, 2^{1003130311213} is an apocalyptic number.

It is an amenable number.

1003130311213 is a deficient number, since it is larger than the sum of its proper divisors (1854215535).

1003130311213 is an equidigital number, since it uses as much as digits as its factorization.

1003130311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854215534.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1003130311213 its reverse (3121130313001), we get a palindrome (4124260624214).

The spelling of 1003130311213 in words is "one trillion, three billion, one hundred thirty million, three hundred eleven thousand, two hundred thirteen".