311135223032 has 8 divisors (see below), whose sum is σ = 583378543200. Its totient is φ = 155567611512.

The previous prime is 311135223029. The next prime is 311135223101. The reversal of 311135223032 is 230322531113.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×311135223032² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311135222992 and 311135223010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19445951432 + ... + 19445951447.

It is an arithmetic number, because the mean of its divisors is an integer number (72922317900).

Almost surely, 2^311135223032 is an apocalyptic number.

It is an amenable number.

311135223032 is a deficient number, since it is larger than the sum of its proper divisors (272243320168).

311135223032 is a wasteful number, since it uses less digits than its factorization.

311135223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38891902885 (or 38891902881 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 311135223032 its reverse (230322531113), we get a palindrome (541457754145).

The spelling of 311135223032 in words is "three hundred eleven billion, one hundred thirty-five million, two hundred twenty-three thousand, thirty-two".