203212142131 has 6 divisors (see below), whose sum is σ = 204179841996. Its totient is φ = 202249007100.

The previous prime is 203212142129. The next prime is 203212142141. The reversal of 203212142131 is 131241212302.

203212142131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203212142131 - 2¹ = 203212142129 is a prime.

It is a super-2 number, since 2×203212142131² (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 (203212142101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2237685 + ... + 2326726.

It is an arithmetic number, because the mean of its divisors is an integer number (34029973666).

Almost surely, 2^203212142131 is an apocalyptic number.

203212142131 is a deficient number, since it is larger than the sum of its proper divisors (967699865).

203212142131 is an frugal number, since it uses more digits than its factorization.

203212142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564833 (or 4564622 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 203212142131 its reverse (131241212302), we get a palindrome (334453354433).

The spelling of 203212142131 in words is "two hundred three billion, two hundred twelve million, one hundred forty-two thousand, one hundred thirty-one".