1311332322003 has 32 divisors (see below), whose sum is σ = 1936797176832. Its totient is φ = 782506375200.

The previous prime is 1311332321969. The next prime is 1311332322017. The reversal of 1311332322003 is 3002232331131.

It is not a de Polignac number, because 1311332322003 - 2²² = 1311328127699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311332322023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4463148 + ... + 4747878.

It is an arithmetic number, because the mean of its divisors is an integer number (60524911776).

Almost surely, 2^{1311332322003} is an apocalyptic number.

1311332322003 is a deficient number, since it is larger than the sum of its proper divisors (625464854829).

1311332322003 is a wasteful number, since it uses less digits than its factorization.

1311332322003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286895.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1311332322003 its reverse (3002232331131), we get a palindrome (4313564653134).

The spelling of 1311332322003 in words is "one trillion, three hundred eleven billion, three hundred thirty-two million, three hundred twenty-two thousand, three".