30342311240 has 32 divisors (see below), whose sum is σ = 68293585080. Its totient is φ = 12132767232.

The previous prime is 30342311213. The next prime is 30342311249. The reversal of 30342311240 is 4211324303.

It can be written as a sum of positive squares in 4 ways, for example, as 30289225444 + 53085796 = 174038^2 + 7286^2 .

It is not an unprimeable number, because it can be changed into a prime (30342311249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10319 + ... + 246558.

Almost surely, 2^30342311240 is an apocalyptic number.

It is an amenable number.

30342311240 is an abundant number, since it is smaller than the sum of its proper divisors (37951273840).

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

30342311240 is a wasteful number, since it uses less digits than its factorization.

30342311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259841 (or 259837 counting only the distinct ones).

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

Adding to 30342311240 its reverse (4211324303), we get a palindrome (34553635543).

The spelling of 30342311240 in words is "thirty billion, three hundred forty-two million, three hundred eleven thousand, two hundred forty".