203231013 has 8 divisors (see below), whose sum is σ = 282756288. Its totient is φ = 129596544.

The previous prime is 203230997. The next prime is 203231027. The reversal of 203231013 is 310132302.

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

It is not a de Polignac number, because 203231013 - 2⁴ = 203230997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203230983 and 203231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203231053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1472620 + ... + 1472757.

It is an arithmetic number, because the mean of its divisors is an integer number (35344536).

Almost surely, 2^203231013 is an apocalyptic number.

203231013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

203231013 is a deficient number, since it is larger than the sum of its proper divisors (79525275).

203231013 is a wasteful number, since it uses less digits than its factorization.

203231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945403.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 203231013 is about 14255.9115106681. The cubic root of 203231013 is about 587.9359195983.

Adding to 203231013 its reverse (310132302), we get a palindrome (513363315).

The spelling of 203231013 in words is "two hundred three million, two hundred thirty-one thousand, thirteen".