231231142003 has 2 divisors, whose sum is σ = 231231142004. Its totient is φ = 231231142002.

The previous prime is 231231142001. The next prime is 231231142013. The reversal of 231231142003 is 300241132132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231231142003 - 2¹ = 231231142001 is a prime.

Together with 231231142001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231231142001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615571001 + 115615571002.

It is an arithmetic number, because the mean of its divisors is an integer number (115615571002).

Almost surely, 2^231231142003 is an apocalyptic number.

231231142003 is a deficient number, since it is larger than the sum of its proper divisors (1).

231231142003 is an equidigital number, since it uses as much as digits as its factorization.

231231142003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231231142003 its reverse (300241132132), we get a palindrome (531472274135).

The spelling of 231231142003 in words is "two hundred thirty-one billion, two hundred thirty-one million, one hundred forty-two thousand, three".