231275733 has 24 divisors (see below), whose sum is σ = 350507808. Its totient is φ = 134824608.

The previous prime is 231275731. The next prime is 231275743. The reversal of 231275733 is 337572132.

It is not a de Polignac number, because 231275733 - 2¹ = 231275731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231275694 and 231275703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231275731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5866 + ... + 22292.

It is an arithmetic number, because the mean of its divisors is an integer number (14604492).

Almost surely, 2^231275733 is an apocalyptic number.

It is an amenable number.

231275733 is a deficient number, since it is larger than the sum of its proper divisors (119232075).

231275733 is a wasteful number, since it uses less digits than its factorization.

231275733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481 (or 16462 counting only the distinct ones).

The product of its digits is 26460, while the sum is 33.

The square root of 231275733 is about 15207.7523980370. The cubic root of 231275733 is about 613.8232797163.

The spelling of 231275733 in words is "two hundred thirty-one million, two hundred seventy-five thousand, seven hundred thirty-three".