231366000 has 80 divisors (see below), whose sum is σ = 745943328. Its totient is φ = 61696000.

The previous prime is 231365999. The next prime is 231366001. The reversal of 231366000 is 663132.

It is an interprime number because it is at equal distance from previous prime (231365999) and next prime (231366001).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231366001) 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, 13281 + ... + 25280.

Almost surely, 2^231366000 is an apocalyptic number.

231366000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231366000 is an abundant number, since it is smaller than the sum of its proper divisors (514577328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231366000 is a wasteful number, since it uses less digits than its factorization.

231366000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38587 (or 38571 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 231366000 is about 15210.7199040677. The cubic root of 231366000 is about 613.9031278096.

The spelling of 231366000 in words is "two hundred thirty-one million, three hundred sixty-six thousand".