101231808 has 56 divisors (see below), whose sum is σ = 277093680. Its totient is φ = 32578560.

The previous prime is 101231803. The next prime is 101231813. The reversal of 101231808 is 808132101.

It is an interprime number because it is at equal distance from previous prime (101231803) and next prime (101231813).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (101231803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3523 + ... + 14658.

Almost surely, 2^101231808 is an apocalyptic number.

It is an amenable number.

101231808 is an abundant number, since it is smaller than the sum of its proper divisors (175861872).

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

101231808 is a wasteful number, since it uses less digits than its factorization.

101231808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18225 (or 18215 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 101231808 is about 10061.4018903928. The cubic root of 101231808 is about 466.0569597649.

Adding to 101231808 its reverse (808132101), we get a palindrome (909363909).

The spelling of 101231808 in words is "one hundred one million, two hundred thirty-one thousand, eight hundred eight".