30143144330 has 32 divisors (see below), whose sum is σ = 60446206800. Its totient is φ = 10745989632.

The previous prime is 30143144323. The next prime is 30143144357. The reversal of 30143144330 is 3344134103.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18578507809 + 11564636521 = 136303^2 + 107539^2 .

It is a super-2 number, since 2×30143144330² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 30143144330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3993995 + ... + 4001534.

Almost surely, 2^30143144330 is an apocalyptic number.

30143144330 is an abundant number, since it is smaller than the sum of its proper divisors (30303062470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30143144330 is a wasteful number, since it uses less digits than its factorization.

30143144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995578.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 30143144330 its reverse (3344134103), we get a palindrome (33487278433).

The spelling of 30143144330 in words is "thirty billion, one hundred forty-three million, one hundred forty-four thousand, three hundred thirty".