231203232303013 has 4 divisors (see below), whose sum is σ = 231217974602208. Its totient is φ = 231188490003820.

The previous prime is 231203232302963. The next prime is 231203232303049. The reversal of 231203232303013 is 310303232302132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231203232303013 - 2⁹ = 231203232302501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231203232303053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7371126073 + ... + 7371157438.

It is an arithmetic number, because the mean of its divisors is an integer number (57804493650552).

Almost surely, 2^{231203232303013} is an apocalyptic number.

It is an amenable number.

231203232303013 is a deficient number, since it is larger than the sum of its proper divisors (14742299195).

231203232303013 is a wasteful number, since it uses less digits than its factorization.

231203232303013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14742299194.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 231203232303013 its reverse (310303232302132), we get a palindrome (541506464605145).

The spelling of 231203232303013 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred thirty-two million, three hundred three thousand, thirteen".