2043311303231 has 32 divisors (see below), whose sum is σ = 2437234272000. Its totient is φ = 1691962836480.

The previous prime is 2043311303227. The next prime is 2043311303261. The reversal of 2043311303231 is 1323031133402.

It is a cyclic number.

It is not a de Polignac number, because 2043311303231 - 2² = 2043311303227 is a prime.

It is a super-2 number, since 2×2043311303231² (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 2043311303231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043311303261) 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, 289181 + ... + 2042118.

It is an arithmetic number, because the mean of its divisors is an integer number (76163571000).

Almost surely, 2^{2043311303231} is an apocalyptic number.

2043311303231 is a deficient number, since it is larger than the sum of its proper divisors (393922968769).

2043311303231 is a wasteful number, since it uses less digits than its factorization.

2043311303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331479.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2043311303231 its reverse (1323031133402), we get a palindrome (3366342436633).

The spelling of 2043311303231 in words is "two trillion, forty-three billion, three hundred eleven million, three hundred three thousand, two hundred thirty-one".