311145033364 has 24 divisors (see below), whose sum is σ = 594090072576. Its totient is φ = 141409104000.

The previous prime is 311145033341. The next prime is 311145033389. The reversal of 311145033364 is 463330541113.

It is a super-2 number, since 2×311145033364² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 201652 + ... + 814219.

It is an arithmetic number, because the mean of its divisors is an integer number (24753753024).

Almost surely, 2^311145033364 is an apocalyptic number.

It is an amenable number.

311145033364 is a deficient number, since it is larger than the sum of its proper divisors (282945039212).

311145033364 is a wasteful number, since it uses less digits than its factorization.

311145033364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022847 (or 1022845 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 311145033364 its reverse (463330541113), we get a palindrome (774475574477).

The spelling of 311145033364 in words is "three hundred eleven billion, one hundred forty-five million, thirty-three thousand, three hundred sixty-four".