313231202023 has 4 divisors (see below), whose sum is σ = 313232668840. Its totient is φ = 313229735208.

The previous prime is 313231202017. The next prime is 313231202029. The reversal of 313231202023 is 320202132313.

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

It is an interprime number because it is at equal distance from previous prime (313231202017) and next prime (313231202029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313231202023 is a prime.

It is a super-2 number, since 2×313231202023² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313231201985 and 313231202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313231202029) 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, 344265 + ... + 863122.

It is an arithmetic number, because the mean of its divisors is an integer number (78308167210).

Almost surely, 2^313231202023 is an apocalyptic number.

313231202023 is a deficient number, since it is larger than the sum of its proper divisors (1466817).

313231202023 is a wasteful number, since it uses less digits than its factorization.

313231202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466816.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 313231202023 its reverse (320202132313), we get a palindrome (633433334336).

The spelling of 313231202023 in words is "three hundred thirteen billion, two hundred thirty-one million, two hundred two thousand, twenty-three".