311426722368 has 42 divisors (see below), whose sum is σ = 892648471494. Its totient is φ = 103808907264.

The previous prime is 311426722367. The next prime is 311426722379. The reversal of 311426722368 is 863227624113.

311426722368 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 267 + 22 + 368 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307013511744 + 4413210624 = 554088^2 + 66432^2 .

It is a super-3 number, since 3×311426722368³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (311426722367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270335121 + ... + 270336272.

Almost surely, 2^311426722368 is an apocalyptic number.

It is an amenable number.

311426722368 is an abundant number, since it is smaller than the sum of its proper divisors (581221749126).

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

311426722368 is a wasteful number, since it uses less digits than its factorization.

311426722368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540671411 (or 540671398 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 311426722368 in words is "three hundred eleven billion, four hundred twenty-six million, seven hundred twenty-two thousand, three hundred sixty-eight".