231544553104 has 20 divisors (see below), whose sum is σ = 448627627264. Its totient is φ = 115769681568.

The previous prime is 231544553029. The next prime is 231544553117. The reversal of 231544553104 is 401355445132.

231544553104 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-2 number, since 2×231544553104² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719029 + ... + 989995.

Almost surely, 2^231544553104 is an apocalyptic number.

It is an amenable number.

231544553104 is a deficient number, since it is larger than the sum of its proper divisors (217083074160).

231544553104 is a wasteful number, since it uses less digits than its factorization.

231544553104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324382 (or 324376 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 231544553104 its reverse (401355445132), we get a palindrome (632899998236).

The spelling of 231544553104 in words is "two hundred thirty-one billion, five hundred forty-four million, five hundred fifty-three thousand, one hundred four".