313220112021023 has 8 divisors (see below), whose sum is σ = 313652579293536. Its totient is φ = 312787699545600.

The previous prime is 313220112020969. The next prime is 313220112021053. The reversal of 313220112021023 is 320120211022313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313220112021023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313220112021023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313220112021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252786 + ... + 25129967.

It is an arithmetic number, because the mean of its divisors is an integer number (39206572411692).

Almost surely, 2^{313220112021023} is an apocalyptic number.

313220112021023 is a deficient number, since it is larger than the sum of its proper divisors (432467272513).

313220112021023 is a wasteful number, since it uses less digits than its factorization.

313220112021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27398545.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 313220112021023 its reverse (320120211022313), we get a palindrome (633340323043336).

The spelling of 313220112021023 in words is "three hundred thirteen trillion, two hundred twenty billion, one hundred twelve million, twenty-one thousand, twenty-three".