30201233144 has 32 divisors (see below), whose sum is σ = 56943453600. Its totient is φ = 15016391040.

The previous prime is 30201233129. The next prime is 30201233177. The reversal of 30201233144 is 44133210203.

It is a super-2 number, since 2×30201233144² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4392029 + ... + 4398899.

It is an arithmetic number, because the mean of its divisors is an integer number (1779482925).

Almost surely, 2^30201233144 is an apocalyptic number.

It is an amenable number.

30201233144 is a deficient number, since it is larger than the sum of its proper divisors (26742220456).

30201233144 is a wasteful number, since it uses less digits than its factorization.

30201233144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863 (or 9859 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30201233144 its reverse (44133210203), we get a palindrome (74334443347).

The spelling of 30201233144 in words is "thirty billion, two hundred one million, two hundred thirty-three thousand, one hundred forty-four".