231240100303 has 2 divisors, whose sum is σ = 231240100304. Its totient is φ = 231240100302.

The previous prime is 231240100277. The next prime is 231240100307. The reversal of 231240100303 is 303001042132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231240100303 - 2²⁹ = 230703229391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231240100307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620050151 + 115620050152.

It is an arithmetic number, because the mean of its divisors is an integer number (115620050152).

Almost surely, 2^231240100303 is an apocalyptic number.

231240100303 is a deficient number, since it is larger than the sum of its proper divisors (1).

231240100303 is an equidigital number, since it uses as much as digits as its factorization.

231240100303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231240100303 its reverse (303001042132), we get a palindrome (534241142435).

The spelling of 231240100303 in words is "two hundred thirty-one billion, two hundred forty million, one hundred thousand, three hundred three".