30131004244 has 36 divisors (see below), whose sum is σ = 57988545300. Its totient is φ = 13688836480.

The previous prime is 30131004223. The next prime is 30131004283. The reversal of 30131004244 is 44240013103.

It can be written as a sum of positive squares in 2 ways, for example, as 9391548100 + 20739456144 = 96910^2 + 144012^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 986352 + ... + 1016440.

It is an arithmetic number, because the mean of its divisors is an integer number (1610792925).

Almost surely, 2^30131004244 is an apocalyptic number.

It is an amenable number.

30131004244 is a deficient number, since it is larger than the sum of its proper divisors (27857541056).

30131004244 is a wasteful number, since it uses less digits than its factorization.

30131004244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32184 (or 32171 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30131004244 its reverse (44240013103), we get a palindrome (74371017347).

The spelling of 30131004244 in words is "thirty billion, one hundred thirty-one million, four thousand, two hundred forty-four".