311440311100122 has 16 divisors (see below), whose sum is σ = 644359264345440. Its totient is φ = 100233663342512.

The previous prime is 311440311100049. The next prime is 311440311100141. The reversal of 311440311100122 is 221001113044113.

It is a junction number, because it is equal to n+sod(n) for n = 311440311100092 and 311440311100101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894943422528 + ... + 894943422875.

It is an arithmetic number, because the mean of its divisors is an integer number (40272454021590).

Almost surely, 2^{311440311100122} is an apocalyptic number.

311440311100122 is an abundant number, since it is smaller than the sum of its proper divisors (332918953245318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311440311100122 is a wasteful number, since it uses less digits than its factorization.

311440311100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789886845437.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 311440311100122 its reverse (221001113044113), we get a palindrome (532441424144235).

The spelling of 311440311100122 in words is "three hundred eleven trillion, four hundred forty billion, three hundred eleven million, one hundred thousand, one hundred twenty-two".