311031230212432 has 10 divisors (see below), whose sum is σ = 602623008536618. Its totient is φ = 155515615106208.

The previous prime is 311031230212427. The next prime is 311031230212459. The reversal of 311031230212432 is 234212032130113.

It can be written as a sum of positive squares in only one way, i.e., 186887601027856 + 124143629184576 = 13670684^2 + 11141976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 311031230212432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9719725944123 + ... + 9719725944154.

Almost surely, 2^{311031230212432} is an apocalyptic number.

It is an amenable number.

311031230212432 is a deficient number, since it is larger than the sum of its proper divisors (291591778324186).

311031230212432 is a wasteful number, since it uses less digits than its factorization.

311031230212432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19439451888285 (or 19439451888279 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 311031230212432 its reverse (234212032130113), we get a palindrome (545243262342545).

The spelling of 311031230212432 in words is "three hundred eleven trillion, thirty-one billion, two hundred thirty million, two hundred twelve thousand, four hundred thirty-two".