311430313423112 has 32 divisors (see below), whose sum is σ = 628851349284480. Its totient is φ = 143736684202560.

The previous prime is 311430313423091. The next prime is 311430313423139. The reversal of 311430313423112 is 211324313034113.

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, 37201187 + ... + 44797197.

It is an arithmetic number, because the mean of its divisors is an integer number (19651604665140).

Almost surely, 2^{311430313423112} is an apocalyptic number.

It is an amenable number.

311430313423112 is an abundant number, since it is smaller than the sum of its proper divisors (317421035861368).

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

311430313423112 is a wasteful number, since it uses less digits than its factorization.

311430313423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990253 (or 7990249 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 311430313423112 its reverse (211324313034113), we get a palindrome (522754626457225).

The spelling of 311430313423112 in words is "three hundred eleven trillion, four hundred thirty billion, three hundred thirteen million, four hundred twenty-three thousand, one hundred twelve".