2031311122203 has 16 divisors (see below), whose sum is σ = 2954757359232. Its totient is φ = 1231046400000.

The previous prime is 2031311122199. The next prime is 2031311122241. The reversal of 2031311122203 is 3022211131302.

It is not a de Polignac number, because 2031311122203 - 2² = 2031311122199 is a prime.

It is a super-2 number, since 2×2031311122203² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2031311122203.

It is not an unprimeable number, because it can be changed into a prime (2031311120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468838 + ... + 2069403.

It is an arithmetic number, because the mean of its divisors is an integer number (184672334952).

Almost surely, 2^{2031311122203} is an apocalyptic number.

2031311122203 is a deficient number, since it is larger than the sum of its proper divisors (923446237029).

2031311122203 is a wasteful number, since it uses less digits than its factorization.

2031311122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562506.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2031311122203 its reverse (3022211131302), we get a palindrome (5053522253505).

Subtracting 2031311122203 from its reverse (3022211131302), we obtain a palindrome (990900009099).

The spelling of 2031311122203 in words is "two trillion, thirty-one billion, three hundred eleven million, one hundred twenty-two thousand, two hundred three".