203124321431 has 8 divisors (see below), whose sum is σ = 210962154240. Its totient is φ = 195432990328.

The previous prime is 203124321419. The next prime is 203124321467. The reversal of 203124321431 is 134123421302.

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

It is a cyclic number.

It is not a de Polignac number, because 203124321431 - 2¹⁰ = 203124320407 is a prime.

It is a super-2 number, since 2×203124321431² (a number of 23 digits) contains 22 as substring.

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 203124321431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203124321401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36622601 + ... + 36628146.

It is an arithmetic number, because the mean of its divisors is an integer number (26370269280).

Almost surely, 2^203124321431 is an apocalyptic number.

203124321431 is a deficient number, since it is larger than the sum of its proper divisors (7837832809).

203124321431 is an equidigital number, since it uses as much as digits as its factorization.

203124321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73250853.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 203124321431 its reverse (134123421302), we get a palindrome (337247742733).

The spelling of 203124321431 in words is "two hundred three billion, one hundred twenty-four million, three hundred twenty-one thousand, four hundred thirty-one".