311103222301112 has 64 divisors (see below), whose sum is σ = 619320781332000. Its totient is φ = 146283837106176.

The previous prime is 311103222301103. The next prime is 311103222301121. The reversal of 311103222301112 is 211103222301113.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (311103222301103) and next prime (311103222301121).

It is a super-2 number, since 2×311103222301112² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111056813 + ... + 113823644.

Almost surely, 2^{311103222301112} is an apocalyptic number.

It is an amenable number.

311103222301112 is a deficient number, since it is larger than the sum of its proper divisors (308217559030888).

311103222301112 is a wasteful number, since it uses less digits than its factorization.

311103222301112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224880648 (or 224880644 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 311103222301112 its reverse (211103222301113), we get a palindrome (522206444602225).

Subtracting from 311103222301112 its reverse (211103222301113), we obtain a palindrome (99999999999999).

The spelling of 311103222301112 in words is "three hundred eleven trillion, one hundred three billion, two hundred twenty-two million, three hundred one thousand, one hundred twelve".