20311133232003 has 12 divisors (see below), whose sum is σ = 28768248685080. Its totient is φ = 12744240458752.

The previous prime is 20311133231927. The next prime is 20311133232017. The reversal of 20311133232003 is 30023233111302.

It is not a de Polignac number, because 20311133232003 - 2³⁰ = 20310059490179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20311133234003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11713455438 + ... + 11713457171.

It is an arithmetic number, because the mean of its divisors is an integer number (2397354057090).

Almost surely, 2^{20311133232003} is an apocalyptic number.

20311133232003 is a deficient number, since it is larger than the sum of its proper divisors (8457115453077).

20311133232003 is a wasteful number, since it uses less digits than its factorization.

20311133232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23426912646 (or 23426912629 counting only the distinct ones).

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

Adding to 20311133232003 its reverse (30023233111302), we get a palindrome (50334366343305).

The spelling of 20311133232003 in words is "twenty trillion, three hundred eleven billion, one hundred thirty-three million, two hundred thirty-two thousand, three".