312320143422044 has 96 divisors (see below), whose sum is σ = 562449326208000. Its totient is φ = 151691476882176.

The previous prime is 312320143422013. The next prime is 312320143422071. The reversal of 312320143422044 is 440224341023213.

It is a happy number.

It is a super-2 number, since 2×312320143422044² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312320143421995 and 312320143422013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24808965302 + ... + 24808977890.

It is an arithmetic number, because the mean of its divisors is an integer number (5858847148000).

Almost surely, 2^{312320143422044} is an apocalyptic number.

It is an amenable number.

312320143422044 is a deficient number, since it is larger than the sum of its proper divisors (250129182785956).

312320143422044 is a wasteful number, since it uses less digits than its factorization.

312320143422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307 (or 15305 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 312320143422044 its reverse (440224341023213), we get a palindrome (752544484445257).

The spelling of 312320143422044 in words is "three hundred twelve trillion, three hundred twenty billion, one hundred forty-three million, four hundred twenty-two thousand, forty-four".