1233102231311 has 4 divisors (see below), whose sum is σ = 1261779027432. Its totient is φ = 1204425435192.

The previous prime is 1233102231301. The next prime is 1233102231373. The reversal of 1233102231311 is 1131322013321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233102231311 is a prime.

It is a super-2 number, since 2×1233102231311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233102231301) 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, 14338397996 + ... + 14338398081.

It is an arithmetic number, because the mean of its divisors is an integer number (315444756858).

Almost surely, 2^{1233102231311} is an apocalyptic number.

1233102231311 is a deficient number, since it is larger than the sum of its proper divisors (28676796121).

1233102231311 is an equidigital number, since it uses as much as digits as its factorization.

1233102231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28676796120.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1233102231311 its reverse (1131322013321), we get a palindrome (2364424244632).

The spelling of 1233102231311 in words is "one trillion, two hundred thirty-three billion, one hundred two million, two hundred thirty-one thousand, three hundred eleven".