203230131031 has 8 divisors (see below), whose sum is σ = 207962463104. Its totient is φ = 198498074040.

The previous prime is 203230131029. The next prime is 203230131043. The reversal of 203230131031 is 130131032302.

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

It is not a de Polignac number, because 203230131031 - 2¹ = 203230131029 is a prime.

It is a super-3 number, since 3×203230131031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203230131061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905390 + ... + 2974516.

It is an arithmetic number, because the mean of its divisors is an integer number (25995307888).

Almost surely, 2^203230131031 is an apocalyptic number.

203230131031 is a deficient number, since it is larger than the sum of its proper divisors (4732332073).

203230131031 is an equidigital number, since it uses as much as digits as its factorization.

203230131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137541.

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

Adding to 203230131031 its reverse (130131032302), we get a palindrome (333361163333).

The spelling of 203230131031 in words is "two hundred three billion, two hundred thirty million, one hundred thirty-one thousand, thirty-one".