311342113340 has 24 divisors (see below), whose sum is σ = 655026997632. Its totient is φ = 124306643520.

The previous prime is 311342113319. The next prime is 311342113351. The reversal of 311342113340 is 43311243113.

It is a congruent number.

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, 14376524 + ... + 14398163.

It is an arithmetic number, because the mean of its divisors is an integer number (27292791568).

Almost surely, 2^311342113340 is an apocalyptic number.

It is an amenable number.

311342113340 is an abundant number, since it is smaller than the sum of its proper divisors (343684884292).

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

311342113340 is a wasteful number, since it uses less digits than its factorization.

311342113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775237 (or 28775235 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 311342113340 its reverse (43311243113), we get a palindrome (354653356453).

The spelling of 311342113340 in words is "three hundred eleven billion, three hundred forty-two million, one hundred thirteen thousand, three hundred forty".