231003609243 has 32 divisors (see below), whose sum is σ = 355467264000. Its totient is φ = 131967079200.

The previous prime is 231003609229. The next prime is 231003609257. The reversal of 231003609243 is 342906300132.

It is an interprime number because it is at equal distance from previous prime (231003609229) and next prime (231003609257).

It is not a de Polignac number, because 231003609243 - 2⁴ = 231003609227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (231003609443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800923 + ... + 1050468.

It is an arithmetic number, because the mean of its divisors is an integer number (11108352000).

Almost surely, 2^231003609243 is an apocalyptic number.

231003609243 is a deficient number, since it is larger than the sum of its proper divisors (124463654757).

231003609243 is a wasteful number, since it uses less digits than its factorization.

231003609243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851623.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 231003609243 its reverse (342906300132), we get a palindrome (573909909375).

The spelling of 231003609243 in words is "two hundred thirty-one billion, three million, six hundred nine thousand, two hundred forty-three".