231000039 has 16 divisors (see below), whose sum is σ = 346348800. Its totient is φ = 152143128.

The previous prime is 231000013. The next prime is 231000041. The reversal of 231000039 is 930000132.

It is not a de Polignac number, because 231000039 - 2¹² = 230995943 is a prime.

It is a super-2 number, since 2×231000039² = 106722036036003042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230999985 and 231000030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231000059) 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 15 ways as a sum of consecutive naturals, for example, 49299 + ... + 53780.

It is an arithmetic number, because the mean of its divisors is an integer number (21646800).

Almost surely, 2^231000039 is an apocalyptic number.

231000039 is a deficient number, since it is larger than the sum of its proper divisors (115348761).

231000039 is a wasteful number, since it uses less digits than its factorization.

231000039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103171 (or 103165 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 231000039 is about 15198.6854365764. The cubic root of 231000039 is about 613.5792784966.

The spelling of 231000039 in words is "two hundred thirty-one million, thirty-nine", and thus it is an aban number.