1313021211203 has 8 divisors (see below), whose sum is σ = 1488445098000. Its totient is φ = 1148229075168.

The previous prime is 1313021211199. The next prime is 1313021211217. The reversal of 1313021211203 is 3021121203131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313021211203 - 2² = 1313021211199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313021214203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657937428 + ... + 2657937921.

It is an arithmetic number, because the mean of its divisors is an integer number (186055637250).

Almost surely, 2^{1313021211203} is an apocalyptic number.

1313021211203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1313021211203 is a deficient number, since it is larger than the sum of its proper divisors (175423886797).

1313021211203 is a wasteful number, since it uses less digits than its factorization.

1313021211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5315875381.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1313021211203 its reverse (3021121203131), we get a palindrome (4334142414334).

The spelling of 1313021211203 in words is "one trillion, three hundred thirteen billion, twenty-one million, two hundred eleven thousand, two hundred three".