231845071896 has 24 divisors (see below), whose sum is σ = 627913736580. Its totient is φ = 77281690608.

The previous prime is 231845071873. The next prime is 231845071949. The reversal of 231845071896 is 698170548132.

231845071896 is a `hidden beast` number, since 2 + 3 + 1 + 8 + 450 + 7 + 189 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×231845071896² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1610035150 + ... + 1610035293.

It is a 1-persistent number, because it is pandigital, but 2⋅231845071896 = 463690143792 is not.

Almost surely, 2^231845071896 is an apocalyptic number.

It is an amenable number.

231845071896 is an abundant number, since it is smaller than the sum of its proper divisors (396068664684).

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

231845071896 is a wasteful number, since it uses less digits than its factorization.

231845071896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220070455 (or 3220070448 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 231845071896 in words is "two hundred thirty-one billion, eight hundred forty-five million, seventy-one thousand, eight hundred ninety-six".