1311031022003 has 8 divisors (see below), whose sum is σ = 1380456432720. Its totient is φ = 1241647989120.

The previous prime is 1311031021967. The next prime is 1311031022051. The reversal of 1311031022003 is 3002201301131.

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 1311031022003 - 2¹⁰ = 1311031020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311031022303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10530938 + ... + 10654703.

It is an arithmetic number, because the mean of its divisors is an integer number (172557054090).

Almost surely, 2^{1311031022003} is an apocalyptic number.

1311031022003 is a deficient number, since it is larger than the sum of its proper divisors (69425410717).

1311031022003 is a wasteful number, since it uses less digits than its factorization.

1311031022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21188917.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1311031022003 its reverse (3002201301131), we get a palindrome (4313232323134).

The spelling of 1311031022003 in words is "one trillion, three hundred eleven billion, thirty-one million, twenty-two thousand, three".