311312101203232 has 24 divisors (see below), whose sum is σ = 612900460670652. Its totient is φ = 155654841350400.

The previous prime is 311312101203227. The next prime is 311312101203349. The reversal of 311312101203232 is 232302101213113.

It can be written as a sum of positive squares in 2 ways, for example, as 306046893686416 + 5265207516816 = 17494196^2 + 2294604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311312101203197 and 311312101203206.

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, 33598519 + ... + 41850742.

Almost surely, 2^{311312101203232} is an apocalyptic number.

311312101203232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

311312101203232 is a deficient number, since it is larger than the sum of its proper divisors (301588359467420).

311312101203232 is a wasteful number, since it uses less digits than its factorization.

311312101203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75578212 (or 75578204 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 311312101203232 its reverse (232302101213113), we get a palindrome (543614202416345).

The spelling of 311312101203232 in words is "three hundred eleven trillion, three hundred twelve billion, one hundred one million, two hundred three thousand, two hundred thirty-two".