231606652 has 6 divisors (see below), whose sum is σ = 405311648. Its totient is φ = 115803324.

The previous prime is 231606649. The next prime is 231606653. The reversal of 231606652 is 256606132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231606653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28950828 + ... + 28950835.

Almost surely, 2^231606652 is an apocalyptic number.

It is an amenable number.

231606652 is a deficient number, since it is larger than the sum of its proper divisors (173704996).

231606652 is a wasteful number, since it uses less digits than its factorization.

231606652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57901667 (or 57901665 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 231606652 is about 15218.6284533134. The cubic root of 231606652 is about 614.1159015432.

The spelling of 231606652 in words is "two hundred thirty-one million, six hundred six thousand, six hundred fifty-two".