2231233111311 has 16 divisors (see below), whose sum is σ = 3058295100000. Its totient is φ = 1445906585088.

The previous prime is 2231233111307. The next prime is 2231233111313. The reversal of 2231233111311 is 1131113321322.

It is not a de Polignac number, because 2231233111311 - 2² = 2231233111307 is a prime.

It is a super-3 number, since 3×2231233111311³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231233111313) 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, 9464686 + ... + 9697563.

It is an arithmetic number, because the mean of its divisors is an integer number (191143443750).

Almost surely, 2^{2231233111311} is an apocalyptic number.

2231233111311 is a deficient number, since it is larger than the sum of its proper divisors (827061988689).

2231233111311 is a wasteful number, since it uses less digits than its factorization.

2231233111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163338.

The product of its digits is 648, while the sum is 24.

Adding to 2231233111311 its reverse (1131113321322), we get a palindrome (3362346432633).

The spelling of 2231233111311 in words is "two trillion, two hundred thirty-one billion, two hundred thirty-three million, one hundred eleven thousand, three hundred eleven".