2231311202023 has 24 divisors (see below), whose sum is σ = 2488617522000. Its totient is φ = 1997378009088.

The previous prime is 2231311202011. The next prime is 2231311202033. The reversal of 2231311202023 is 3202021131322.

It is a de Polignac number, because none of the positive numbers 2^k-2231311202023 is a prime.

It is a super-3 number, since 3×2231311202023³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231311201985 and 2231311202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231311202033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1425298 + ... + 2548351.

It is an arithmetic number, because the mean of its divisors is an integer number (103692396750).

Almost surely, 2^{2231311202023} is an apocalyptic number.

2231311202023 is a deficient number, since it is larger than the sum of its proper divisors (257306319977).

2231311202023 is a wasteful number, since it uses less digits than its factorization.

2231311202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973779 (or 3973762 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2231311202023 its reverse (3202021131322), we get a palindrome (5433332333345).

The spelling of 2231311202023 in words is "two trillion, two hundred thirty-one billion, three hundred eleven million, two hundred two thousand, twenty-three".