311300225452312 has 32 divisors (see below), whose sum is σ = 583952433292800. Its totient is φ = 155579590573344.

The previous prime is 311300225452247. The next prime is 311300225452343. The reversal of 311300225452312 is 213254522003113.

It is a super-2 number, since 2×311300225452312² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178062253 + ... + 179802019.

It is an arithmetic number, because the mean of its divisors is an integer number (18248513540400).

Almost surely, 2^{311300225452312} is an apocalyptic number.

It is an amenable number.

311300225452312 is a deficient number, since it is larger than the sum of its proper divisors (272652207840488).

311300225452312 is a wasteful number, since it uses less digits than its factorization.

311300225452312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749895 (or 1749891 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 311300225452312 its reverse (213254522003113), we get a palindrome (524554747455425).

The spelling of 311300225452312 in words is "three hundred eleven trillion, three hundred billion, two hundred twenty-five million, four hundred fifty-two thousand, three hundred twelve".