313122212031023 has 4 divisors (see below), whose sum is σ = 313420707944400. Its totient is φ = 312823716117648.

The previous prime is 313122212031001. The next prime is 313122212031059. The reversal of 313122212031023 is 320130212221313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313122212031023 - 2¹⁰ = 313122212029999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313122212030983 and 313122212031001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313122212031073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149247955115 + ... + 149247957212.

It is an arithmetic number, because the mean of its divisors is an integer number (78355176986100).

Almost surely, 2^{313122212031023} is an apocalyptic number.

313122212031023 is a deficient number, since it is larger than the sum of its proper divisors (298495913377).

313122212031023 is a wasteful number, since it uses less digits than its factorization.

313122212031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298495913376.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 313122212031023 its reverse (320130212221313), we get a palindrome (633252424252336).

The spelling of 313122212031023 in words is "three hundred thirteen trillion, one hundred twenty-two billion, two hundred twelve million, thirty-one thousand, twenty-three".