231442066630 has 32 divisors (see below), whose sum is σ = 436958395776. Its totient is φ = 88158259584.

The previous prime is 231442066613. The next prime is 231442066633. The reversal of 231442066630 is 36660244132.

It is a happy number.

231442066630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 231442066630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231442066633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6637069 + ... + 6671848.

It is an arithmetic number, because the mean of its divisors is an integer number (13654949868).

Almost surely, 2^231442066630 is an apocalyptic number.

231442066630 is a deficient number, since it is larger than the sum of its proper divisors (205516329146).

231442066630 is a wasteful number, since it uses less digits than its factorization.

231442066630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13309008.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 231442066630 in words is "two hundred thirty-one billion, four hundred forty-two million, sixty-six thousand, six hundred thirty".