16231000 has 32 divisors (see below), whose sum is σ = 37982880. Its totient is φ = 6492000.

The previous prime is 16230983. The next prime is 16231001. The reversal of 16231000 is 13261.

It is a super-2 number, since 2×16231000² = 526890722000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231001) 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, 7116 + ... + 9115.

It is an arithmetic number, because the mean of its divisors is an integer number (1186965).

Almost surely, 2^16231000 is an apocalyptic number.

16231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16231000 is an abundant number, since it is smaller than the sum of its proper divisors (21751880).

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

16231000 is a wasteful number, since it uses less digits than its factorization.

16231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16252 (or 16238 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 16231000 is about 4028.7715249192. The cubic root of 16231000 is about 253.1910943595.

Adding to 16231000 its reverse (13261), we get a palindrome (16244261).

The spelling of 16231000 in words is "sixteen million, two hundred thirty-one thousand".