311401321352 has 32 divisors (see below), whose sum is σ = 637011864000. Its totient is φ = 141533918400.

The previous prime is 311401321333. The next prime is 311401321369. The reversal of 311401321352 is 253123104113.

It is a super-2 number, since 2×311401321352² (a number of 24 digits) contains 22 as substring.

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, 923477 + ... + 1214747.

It is an arithmetic number, because the mean of its divisors is an integer number (19906620750).

Almost surely, 2^311401321352 is an apocalyptic number.

It is an amenable number.

311401321352 is an abundant number, since it is smaller than the sum of its proper divisors (325610542648).

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

311401321352 is a wasteful number, since it uses less digits than its factorization.

311401321352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303437 (or 303433 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 311401321352 its reverse (253123104113), we get a palindrome (564524425465).

The spelling of 311401321352 in words is "three hundred eleven billion, four hundred one million, three hundred twenty-one thousand, three hundred fifty-two".