203113241231 has 8 divisors (see below), whose sum is σ = 206564184960. Its totient is φ = 199662575832.

The previous prime is 203113241173. The next prime is 203113241239. The reversal of 203113241231 is 132142311302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203113241231 is a prime.

It is a super-2 number, since 2×203113241231² (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 = 203113241197 and 203113241206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203113241239) 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, 1846526 + ... + 1953428.

It is an arithmetic number, because the mean of its divisors is an integer number (25820523120).

Almost surely, 2^203113241231 is an apocalyptic number.

203113241231 is a deficient number, since it is larger than the sum of its proper divisors (3450943729).

203113241231 is a wasteful number, since it uses less digits than its factorization.

203113241231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139165.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203113241231 its reverse (132142311302), we get a palindrome (335255552533).

The spelling of 203113241231 in words is "two hundred three billion, one hundred thirteen million, two hundred forty-one thousand, two hundred thirty-one".