231269164 has 24 divisors (see below), whose sum is σ = 465493280. Its totient is φ = 98482176.

The previous prime is 231269153. The next prime is 231269167. The reversal of 231269164 is 461962132.

It is a happy number.

231269164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231269167) 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, 21909 + ... + 30700.

Almost surely, 2^231269164 is an apocalyptic number.

It is an amenable number.

231269164 is an abundant number, since it is smaller than the sum of its proper divisors (234224116).

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

231269164 is a wasteful number, since it uses less digits than its factorization.

231269164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52777 (or 52775 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 231269164 is about 15207.5364211301. The cubic root of 231269164 is about 613.8174681204.

The spelling of 231269164 in words is "two hundred thirty-one million, two hundred sixty-nine thousand, one hundred sixty-four".