30213223442 has 4 divisors (see below), whose sum is σ = 45319835166. Its totient is φ = 15106611720.

The previous prime is 30213223433. The next prime is 30213223451. The reversal of 30213223442 is 24432231203.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30213223433) and next prime (30213223451).

It can be written as a sum of positive squares in only one way, i.e., 27096122881 + 3117100561 = 164609^2 + 55831^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7553305859 + ... + 7553305862.

Almost surely, 2^30213223442 is an apocalyptic number.

30213223442 is a deficient number, since it is larger than the sum of its proper divisors (15106611724).

30213223442 is a wasteful number, since it uses less digits than its factorization.

30213223442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106611723.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30213223442 its reverse (24432231203), we get a palindrome (54645454645).

The spelling of 30213223442 in words is "thirty billion, two hundred thirteen million, two hundred twenty-three thousand, four hundred forty-two".