311133312110123 has 4 divisors (see below), whose sum is σ = 311166613340928. Its totient is φ = 311100010879320.

The previous prime is 311133312110051. The next prime is 311133312110129. The reversal of 311133312110123 is 321011213331113.

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

It is a cyclic number.

It is not a de Polignac number, because 311133312110123 - 2¹⁰ = 311133312109099 is a prime.

It is a super-2 number, since 2×311133312110123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311133312110092 and 311133312110101.

It is not an unprimeable number, because it can be changed into a prime (311133312110129) 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, 16650601388 + ... + 16650620073.

It is an arithmetic number, because the mean of its divisors is an integer number (77791653335232).

Almost surely, 2^{311133312110123} is an apocalyptic number.

311133312110123 is a deficient number, since it is larger than the sum of its proper divisors (33301230805).

311133312110123 is an equidigital number, since it uses as much as digits as its factorization.

311133312110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33301230804.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 311133312110123 its reverse (321011213331113), we get a palindrome (632144525441236).

The spelling of 311133312110123 in words is "three hundred eleven trillion, one hundred thirty-three billion, three hundred twelve million, one hundred ten thousand, one hundred twenty-three".