30231043402 has 32 divisors (see below), whose sum is σ = 53114181120. Its totient is φ = 12634081920.

The previous prime is 30231043387. The next prime is 30231043433. The reversal of 30231043402 is 20434013203.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301224 + ... + 1324252.

It is an arithmetic number, because the mean of its divisors is an integer number (1659818160).

Almost surely, 2^30231043402 is an apocalyptic number.

30231043402 is a deficient number, since it is larger than the sum of its proper divisors (22883137718).

30231043402 is a wasteful number, since it uses less digits than its factorization.

30231043402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25366.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30231043402 its reverse (20434013203), we get a palindrome (50665056605).

The spelling of 30231043402 in words is "thirty billion, two hundred thirty-one million, forty-three thousand, four hundred two".