202023213131003 has 4 divisors (see below), whose sum is σ = 220388959779288. Its totient is φ = 183657466482720.

The previous prime is 202023213130997. The next prime is 202023213131021. The reversal of 202023213131003 is 300131312320202.

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 202023213131003 - 2⁸ = 202023213130747 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 202023213131003.

It is not an unprimeable number, because it can be changed into a prime (202023213131093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9182873324126 + ... + 9182873324147.

It is an arithmetic number, because the mean of its divisors is an integer number (55097239944822).

Almost surely, 2^{202023213131003} is an apocalyptic number.

202023213131003 is a deficient number, since it is larger than the sum of its proper divisors (18365746648285).

202023213131003 is a wasteful number, since it uses less digits than its factorization.

202023213131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18365746648284.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 202023213131003 its reverse (300131312320202), we get a palindrome (502154525451205).

The spelling of 202023213131003 in words is "two hundred two trillion, twenty-three billion, two hundred thirteen million, one hundred thirty-one thousand, three".