30213023044 has 24 divisors (see below), whose sum is σ = 53613745920. Its totient is φ = 14894938944.

The previous prime is 30213023017. The next prime is 30213023047. The reversal of 30213023044 is 44032031203.

It is a happy number.

It is a super-2 number, since 2×30213023044² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30213023047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043637 + ... + 1072195.

It is an arithmetic number, because the mean of its divisors is an integer number (2233906080).

Almost surely, 2^30213023044 is an apocalyptic number.

It is an amenable number.

30213023044 is a deficient number, since it is larger than the sum of its proper divisors (23400722876).

30213023044 is a wasteful number, since it uses less digits than its factorization.

30213023044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32259 (or 32257 counting only the distinct ones).

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

Adding to 30213023044 its reverse (44032031203), we get a palindrome (74245054247).

The spelling of 30213023044 in words is "thirty billion, two hundred thirteen million, twenty-three thousand, forty-four".