30240031442 has 16 divisors (see below), whose sum is σ = 45457315992. Its totient is φ = 15087617280.

The previous prime is 30240031411. The next prime is 30240031483. The reversal of 30240031442 is 24413004203.

It can be written as a sum of positive squares in 4 ways, for example, as 29715209161 + 524822281 = 172381^2 + 22909^2 .

It is a super-2 number, since 2×30240031442² (a number of 22 digits) contains 22 as substring.

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, 3455192 + ... + 3463932.

Almost surely, 2^30240031442 is an apocalyptic number.

30240031442 is a deficient number, since it is larger than the sum of its proper divisors (15217284550).

30240031442 is a wasteful number, since it uses less digits than its factorization.

30240031442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30240031442 its reverse (24413004203), we get a palindrome (54653035645).

The spelling of 30240031442 in words is "thirty billion, two hundred forty million, thirty-one thousand, four hundred forty-two".