202023131210031 has 4 divisors (see below), whose sum is σ = 269364174946712. Its totient is φ = 134682087473352.

The previous prime is 202023131209943. The next prime is 202023131210041. The reversal of 202023131210031 is 130012131320202.

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

It is not a de Polignac number, because 202023131210031 - 2¹⁰ = 202023131209007 is a prime.

It is a super-2 number, since 2×202023131210031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023131210041) 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 3 ways as a sum of consecutive naturals, for example, 33670521868336 + ... + 33670521868341.

It is an arithmetic number, because the mean of its divisors is an integer number (67341043736678).

Almost surely, 2^{202023131210031} is an apocalyptic number.

202023131210031 is a deficient number, since it is larger than the sum of its proper divisors (67341043736681).

202023131210031 is an equidigital number, since it uses as much as digits as its factorization.

202023131210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67341043736680.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 202023131210031 its reverse (130012131320202), we get a palindrome (332035262530233).

The spelling of 202023131210031 in words is "two hundred two trillion, twenty-three billion, one hundred thirty-one million, two hundred ten thousand, thirty-one".