311045364 has 72 divisors (see below), whose sum is σ = 900419520. Its totient is φ = 88687872.

The previous prime is 311045327. The next prime is 311045369. The reversal of 311045364 is 463540113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311045369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165132 + ... + 167004.

Almost surely, 2^311045364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311045364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450209760).

311045364 is an abundant number, since it is smaller than the sum of its proper divisors (589374156).

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

311045364 is a wasteful number, since it uses less digits than its factorization.

311045364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 311045364 is about 17636.4782198714. The cubic root of 311045364 is about 677.5498356155.

Adding to 311045364 its reverse (463540113), we get a palindrome (774585477).

The spelling of 311045364 in words is "three hundred eleven million, forty-five thousand, three hundred sixty-four".