16731231204 has 48 divisors (see below), whose sum is σ = 41657228480. Its totient is φ = 5211164160.

The previous prime is 16731231199. The next prime is 16731231227. The reversal of 16731231204 is 40213213761.

It is a happy number.

16731231204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×16731231204⁵ (a number of 52 digits) contains 55555 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485977 + ... + 519264.

Almost surely, 2^16731231204 is an apocalyptic number.

It is an amenable number.

16731231204 is an abundant number, since it is smaller than the sum of its proper divisors (24925997276).

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

16731231204 is a wasteful number, since it uses less digits than its factorization.

16731231204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005340 (or 1005338 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 16731231204 its reverse (40213213761), we get a palindrome (56944444965).

The spelling of 16731231204 in words is "sixteen billion, seven hundred thirty-one million, two hundred thirty-one thousand, two hundred four".