30230021402 has 64 divisors (see below), whose sum is σ = 55018982400. Its totient is φ = 12168817920.

The previous prime is 30230021357. The next prime is 30230021417. The reversal of 30230021402 is 20412003203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29959874 + ... + 29960882.

It is an arithmetic number, because the mean of its divisors is an integer number (859671600).

Almost surely, 2^30230021402 is an apocalyptic number.

30230021402 is a deficient number, since it is larger than the sum of its proper divisors (24788960998).

30230021402 is a wasteful number, since it uses less digits than its factorization.

30230021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30230021402 its reverse (20412003203), we get a palindrome (50642024605).

The spelling of 30230021402 in words is "thirty billion, two hundred thirty million, twenty-one thousand, four hundred two".