202423131313 has 8 divisors (see below), whose sum is σ = 218486233728. Its totient is φ = 186430327824.

The previous prime is 202423131301. The next prime is 202423131359. The reversal of 202423131313 is 313131324202.

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

It is not a de Polignac number, because 202423131313 - 2²¹ = 202421034161 is a prime.

It is a super-2 number, since 2×202423131313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202423131413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17568745 + ... + 17580262.

It is an arithmetic number, because the mean of its divisors is an integer number (27310779216).

Almost surely, 2^202423131313 is an apocalyptic number.

It is an amenable number.

202423131313 is a deficient number, since it is larger than the sum of its proper divisors (16063102415).

202423131313 is a wasteful number, since it uses less digits than its factorization.

202423131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35149463.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 202423131313 its reverse (313131324202), we get a palindrome (515554455515).

The spelling of 202423131313 in words is "two hundred two billion, four hundred twenty-three million, one hundred thirty-one thousand, three hundred thirteen".