311225144454412 has 24 divisors (see below), whose sum is σ = 562460508796032. Its totient is φ = 150526558809600.

The previous prime is 311225144454401. The next prime is 311225144454437. The reversal of 311225144454412 is 214454441522113.

It is a super-2 number, since 2×311225144454412² (a number of 30 digits) contains 22 as substring.

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, 551825539 + ... + 552389242.

It is an arithmetic number, because the mean of its divisors is an integer number (23435854533168).

Almost surely, 2^{311225144454412} is an apocalyptic number.

It is an amenable number.

311225144454412 is a deficient number, since it is larger than the sum of its proper divisors (251235364341620).

311225144454412 is a wasteful number, since it uses less digits than its factorization.

311225144454412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104217089 (or 1104217087 counting only the distinct ones).

The product of its digits is 614400, while the sum is 43.

Adding to 311225144454412 its reverse (214454441522113), we get a palindrome (525679585976525).

The spelling of 311225144454412 in words is "three hundred eleven trillion, two hundred twenty-five billion, one hundred forty-four million, four hundred fifty-four thousand, four hundred twelve".