231163436 has 12 divisors (see below), whose sum is σ = 462326928. Its totient is φ = 99070032.

The previous prime is 231163397. The next prime is 231163441. The reversal of 231163436 is 634361132.

231163436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

231163436 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 231163399 and 231163408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127891 + ... + 4127946.

It is an arithmetic number, because the mean of its divisors is an integer number (38527244).

Almost surely, 2^231163436 is an apocalyptic number.

It is an amenable number.

231163436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231163436 is a wasteful number, since it uses less digits than its factorization.

231163436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255848 (or 8255846 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 231163436 is about 15204.0598525525. The cubic root of 231163436 is about 613.7239153897.

The spelling of 231163436 in words is "two hundred thirty-one million, one hundred sixty-three thousand, four hundred thirty-six".