30445213124 has 24 divisors (see below), whose sum is σ = 54428424960. Its totient is φ = 14894421696.

The previous prime is 30445213111. The next prime is 30445213133. The reversal of 30445213124 is 42131254403.

It is a super-2 number, since 2×30445213124² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 687089 + ... + 730055.

It is an arithmetic number, because the mean of its divisors is an integer number (2267851040).

Almost surely, 2^30445213124 is an apocalyptic number.

It is an amenable number.

30445213124 is a deficient number, since it is larger than the sum of its proper divisors (23983211836).

30445213124 is a wasteful number, since it uses less digits than its factorization.

30445213124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46787 (or 46785 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 30445213124 its reverse (42131254403), we get a palindrome (72576467527).

The spelling of 30445213124 in words is "thirty billion, four hundred forty-five million, two hundred thirteen thousand, one hundred twenty-four".