311310100123 has 8 divisors (see below), whose sum is σ = 339616433520. Its totient is φ = 283004669280.

The previous prime is 311310100117. The next prime is 311310100133. The reversal of 311310100123 is 321001013113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311310100123 is a prime.

It is a super-3 number, since 3×311310100123³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311310100097 and 311310100106.

It is not an unprimeable number, because it can be changed into a prime (311310100133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639961 + ... + 1015957.

It is an arithmetic number, because the mean of its divisors is an integer number (42452054190).

Almost surely, 2^311310100123 is an apocalyptic number.

311310100123 is a deficient number, since it is larger than the sum of its proper divisors (28306333397).

311310100123 is a wasteful number, since it uses less digits than its factorization.

311310100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451277.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 311310100123 its reverse (321001013113), we get a palindrome (632311113236).

The spelling of 311310100123 in words is "three hundred eleven billion, three hundred ten million, one hundred thousand, one hundred twenty-three".