200031011311 has 4 divisors (see below), whose sum is σ = 200032584624. Its totient is φ = 200029438000.

The previous prime is 200031011263. The next prime is 200031011321. The reversal of 200031011311 is 113110130002.

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 200031011311 - 2¹¹ = 200031009263 is a prime.

It is a super-2 number, since 2×200031011311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200031011291 and 200031011300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031011321) 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, 577390 + ... + 856411.

It is an arithmetic number, because the mean of its divisors is an integer number (50008146156).

Almost surely, 2^200031011311 is an apocalyptic number.

200031011311 is a deficient number, since it is larger than the sum of its proper divisors (1573313).

200031011311 is a wasteful number, since it uses less digits than its factorization.

200031011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573312.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 200031011311 its reverse (113110130002), we get a palindrome (313141141313).

The spelling of 200031011311 in words is "two hundred billion, thirty-one million, eleven thousand, three hundred eleven".