30313423444 has 6 divisors (see below), whose sum is σ = 53048491034. Its totient is φ = 15156711720.

The previous prime is 30313423433. The next prime is 30313423447. The reversal of 30313423444 is 44432431303.

It can be written as a sum of positive squares in only one way, i.e., 17852166544 + 12461256900 = 133612^2 + 111630^2 .

It is a super-2 number, since 2×30313423444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313423447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3789177927 + ... + 3789177934.

Almost surely, 2^30313423444 is an apocalyptic number.

It is an amenable number.

30313423444 is a deficient number, since it is larger than the sum of its proper divisors (22735067590).

30313423444 is a wasteful number, since it uses less digits than its factorization.

30313423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578355865 (or 7578355863 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 30313423444 its reverse (44432431303), we get a palindrome (74745854747).

The spelling of 30313423444 in words is "thirty billion, three hundred thirteen million, four hundred twenty-three thousand, four hundred forty-four".