311031230100122 has 32 divisors (see below), whose sum is σ = 543623028504192. Its totient is φ = 130695831998784.

The previous prime is 311031230100121. The next prime is 311031230100137. The reversal of 311031230100122 is 221001032130113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311031230100094 and 311031230100103.

It is not an unprimeable number, because it can be changed into a prime (311031230100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140227853 + ... + 142428624.

It is an arithmetic number, because the mean of its divisors is an integer number (16988219640756).

Almost surely, 2^{311031230100122} is an apocalyptic number.

311031230100122 is a deficient number, since it is larger than the sum of its proper divisors (232591798404070).

311031230100122 is a wasteful number, since it uses less digits than its factorization.

311031230100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282658022.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311031230100122 its reverse (221001032130113), we get a palindrome (532032262230235).

The spelling of 311031230100122 in words is "three hundred eleven trillion, thirty-one billion, two hundred thirty million, one hundred thousand, one hundred twenty-two".