231273147903 has 16 divisors (see below), whose sum is σ = 361940989440. Its totient is φ = 128584298016.

The previous prime is 231273147899. The next prime is 231273147949. The reversal of 231273147903 is 309741372132.

It is not a de Polignac number, because 231273147903 - 2² = 231273147899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231273137903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148823643 + ... + 148825196.

It is an arithmetic number, because the mean of its divisors is an integer number (22621311840).

Almost surely, 2^231273147903 is an apocalyptic number.

231273147903 is a deficient number, since it is larger than the sum of its proper divisors (130667841537).

231273147903 is a wasteful number, since it uses less digits than its factorization.

231273147903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297648886.

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 231273147903 in words is "two hundred thirty-one billion, two hundred seventy-three million, one hundred forty-seven thousand, nine hundred three".