20003132310311 has 4 divisors (see below), whose sum is σ = 21179787152112. Its totient is φ = 18826477468512.

The previous prime is 20003132310241. The next prime is 20003132310313. The reversal of 20003132310311 is 11301323130002.

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

It is a cyclic number.

It is not a de Polignac number, because 20003132310311 - 2¹⁴ = 20003132293927 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 (20003132310313) 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, 588327420875 + ... + 588327420908.

It is an arithmetic number, because the mean of its divisors is an integer number (5294946788028).

Almost surely, 2^{20003132310311} is an apocalyptic number.

20003132310311 is a deficient number, since it is larger than the sum of its proper divisors (1176654841801).

20003132310311 is a wasteful number, since it uses less digits than its factorization.

20003132310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176654841800.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20003132310311 its reverse (11301323130002), we get a palindrome (31304455440313).

The spelling of 20003132310311 in words is "twenty trillion, three billion, one hundred thirty-two million, three hundred ten thousand, three hundred eleven".