231000024 has 64 divisors (see below), whose sum is σ = 613411200. Its totient is φ = 72285696.

The previous prime is 231000013. The next prime is 231000041. The reversal of 231000024 is 420000132.

It is a super-2 number, since 2×231000024² = 106722022176001152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 230999973 and 231000009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49287 + ... + 53769.

It is an arithmetic number, because the mean of its divisors is an integer number (9584550).

Almost surely, 2^231000024 is an apocalyptic number.

231000024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231000024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306705600).

231000024 is an abundant number, since it is smaller than the sum of its proper divisors (382411176).

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

231000024 is a wasteful number, since it uses less digits than its factorization.

231000024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 231000024 is about 15198.6849431127. The cubic root of 231000024 is about 613.5792652157.

Adding to 231000024 its reverse (420000132), we get a palindrome (651000156).

The spelling of 231000024 in words is "two hundred thirty-one million, twenty-four", and thus it is an aban number.