10311101123 has 4 divisors (see below), whose sum is σ = 10311655560. Its totient is φ = 10310546688.

The previous prime is 10311101083. The next prime is 10311101147. The reversal of 10311101123 is 32110111301.

It is a happy number.

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 10311101123 - 2¹⁰ = 10311100099 is a prime.

It is a super-2 number, since 2×10311101123² (a number of 21 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 = 10311101098 and 10311101107.

It is not an unprimeable number, because it can be changed into a prime (10311101173) 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, 248318 + ... + 286851.

It is an arithmetic number, because the mean of its divisors is an integer number (2577913890).

Almost surely, 2^10311101123 is an apocalyptic number.

10311101123 is a deficient number, since it is larger than the sum of its proper divisors (554437).

10311101123 is an equidigital number, since it uses as much as digits as its factorization.

10311101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554436.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10311101123 its reverse (32110111301), we get a palindrome (42421212424).

The spelling of 10311101123 in words is "ten billion, three hundred eleven million, one hundred one thousand, one hundred twenty-three".