203213130031 has 4 divisors (see below), whose sum is σ = 206075286864. Its totient is φ = 200350973200.

The previous prime is 203213129989. The next prime is 203213130151. The reversal of 203213130031 is 130031312302.

203213130031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203213130031 - 2²⁹ = 202676259119 is a prime.

It is a super-2 number, since 2×203213130031² (a number of 23 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 = 203213129990 and 203213130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203213130331) 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 3 ways as a sum of consecutive naturals, for example, 1431078310 + ... + 1431078451.

It is an arithmetic number, because the mean of its divisors is an integer number (51518821716).

Almost surely, 2^203213130031 is an apocalyptic number.

203213130031 is a deficient number, since it is larger than the sum of its proper divisors (2862156833).

203213130031 is an equidigital number, since it uses as much as digits as its factorization.

203213130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862156832.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203213130031 its reverse (130031312302), we get a palindrome (333244442333).

The spelling of 203213130031 in words is "two hundred three billion, two hundred thirteen million, one hundred thirty thousand, thirty-one".