311322213032 has 16 divisors (see below), whose sum is σ = 584206460640. Its totient is φ = 155533823536.

The previous prime is 311322213019. The next prime is 311322213073. The reversal of 311322213032 is 230312223113.

It is a junction number, because it is equal to n+sod(n) for n = 311322212989 and 311322213007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15899978 + ... + 15919545.

It is an arithmetic number, because the mean of its divisors is an integer number (36512903790).

Almost surely, 2^311322213032 is an apocalyptic number.

It is an amenable number.

311322213032 is a deficient number, since it is larger than the sum of its proper divisors (272884247608).

311322213032 is a wasteful number, since it uses less digits than its factorization.

311322213032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31820752 (or 31820748 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 311322213032 its reverse (230312223113), we get a palindrome (541634436145).

The spelling of 311322213032 in words is "three hundred eleven billion, three hundred twenty-two million, two hundred thirteen thousand, thirty-two".