311213032306 has 32 divisors (see below), whose sum is σ = 514117517760. Its totient is φ = 140111467200.

The previous prime is 311213032271. The next prime is 311213032327. The reversal of 311213032306 is 603230312113.

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 in 15 ways as a sum of consecutive naturals, for example, 6972721 + ... + 7017211.

It is an arithmetic number, because the mean of its divisors is an integer number (16066172430).

Almost surely, 2^311213032306 is an apocalyptic number.

311213032306 is a deficient number, since it is larger than the sum of its proper divisors (202904485454).

311213032306 is a wasteful number, since it uses less digits than its factorization.

311213032306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47530.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 311213032306 its reverse (603230312113), we get a palindrome (914443344419).

The spelling of 311213032306 in words is "three hundred eleven billion, two hundred thirteen million, thirty-two thousand, three hundred six".