311123230311001 has 4 divisors (see below), whose sum is σ = 311604100837632. Its totient is φ = 310642359784372.

The previous prime is 311123230310891. The next prime is 311123230311013. The reversal of 311123230311001 is 100113032321113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 311123230311001 - 2⁹ = 311123230310489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (341123230311001) 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, 240435262345 + ... + 240435263638.

It is an arithmetic number, because the mean of its divisors is an integer number (77901025209408).

Almost surely, 2^{311123230311001} is an apocalyptic number.

It is an amenable number.

311123230311001 is a deficient number, since it is larger than the sum of its proper divisors (480870526631).

311123230311001 is an equidigital number, since it uses as much as digits as its factorization.

311123230311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480870526630.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 311123230311001 its reverse (100113032321113), we get a palindrome (411236262632114).

The spelling of 311123230311001 in words is "three hundred eleven trillion, one hundred twenty-three billion, two hundred thirty million, three hundred eleven thousand, one".