231307652 has 6 divisors (see below), whose sum is σ = 404788398. Its totient is φ = 115653824.

The previous prime is 231307639. The next prime is 231307673. The reversal of 231307652 is 256703132.

231307652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 225480256 + 5827396 = 15016^2 + 2414^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28913453 + ... + 28913460.

It is an arithmetic number, because the mean of its divisors is an integer number (67464733).

Almost surely, 2^231307652 is an apocalyptic number.

It is an amenable number.

231307652 is a deficient number, since it is larger than the sum of its proper divisors (173480746).

231307652 is a wasteful number, since it uses less digits than its factorization.

231307652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57826917 (or 57826915 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 231307652 is about 15208.8017936983. The cubic root of 231307652 is about 613.8515168970.

The spelling of 231307652 in words is "two hundred thirty-one million, three hundred seven thousand, six hundred fifty-two".