311203132113332 has 12 divisors (see below), whose sum is σ = 544605891665220. Its totient is φ = 155601448780416.

The previous prime is 311203132113271. The next prime is 311203132113347. The reversal of 311203132113332 is 233311231302113.

It can be written as a sum of positive squares in 2 ways, for example, as 156078946840336 + 155124185272996 = 12493156^2 + 12454886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 311203132113295 and 311203132113304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23206907 + ... + 34072962.

It is an arithmetic number, because the mean of its divisors is an integer number (45383824305435).

Almost surely, 2^{311203132113332} is an apocalyptic number.

It is an amenable number.

311203132113332 is a deficient number, since it is larger than the sum of its proper divisors (233402759551888).

311203132113332 is a wasteful number, since it uses less digits than its factorization.

311203132113332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58638130 (or 58638128 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 311203132113332 its reverse (233311231302113), we get a palindrome (544514363415445).

The spelling of 311203132113332 in words is "three hundred eleven trillion, two hundred three billion, one hundred thirty-two million, one hundred thirteen thousand, three hundred thirty-two".