30213243243 has 80 divisors (see below), whose sum is σ = 48841408000. Its totient is φ = 18554298048.

The previous prime is 30213243223. The next prime is 30213243259. The reversal of 30213243243 is 34234231203.

30213243243 is a `hidden beast` number, since 302 + 1 + 32 + 4 + 324 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-30213243243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

30213243243 is a modest number, since divided by 243243 gives 30213 as remainder.

It is not an unprimeable number, because it can be changed into a prime (30213243223) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8144073 + ... + 8147781.

It is an arithmetic number, because the mean of its divisors is an integer number (610517600).

Almost surely, 2^30213243243 is an apocalyptic number.

30213243243 is a deficient number, since it is larger than the sum of its proper divisors (18628164757).

30213243243 is a wasteful number, since it uses less digits than its factorization.

30213243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886 (or 3877 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30213243243 its reverse (34234231203), we get a palindrome (64447474446).

The spelling of 30213243243 in words is "thirty billion, two hundred thirteen million, two hundred forty-three thousand, two hundred forty-three".