231249088 has 56 divisors (see below), whose sum is σ = 541389824. Its totient is φ = 95904000.

The previous prime is 231249077. The next prime is 231249089. The reversal of 231249088 is 880942132.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×231249088² = 106952281401663488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231249089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5563 + ... + 22213.

Almost surely, 2^231249088 is an apocalyptic number.

231249088 is a gapful number since it is divisible by the number (28) 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 231249088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270694912).

231249088 is an abundant number, since it is smaller than the sum of its proper divisors (310140736).

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

231249088 is a wasteful number, since it uses less digits than its factorization.

231249088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701 (or 16691 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 231249088 is about 15206.8763393407. The cubic root of 231249088 is about 613.7997061962.

The spelling of 231249088 in words is "two hundred thirty-one million, two hundred forty-nine thousand, eighty-eight".