30928541234 has 4 divisors (see below), whose sum is σ = 46392811854. Its totient is φ = 15464270616.

The previous prime is 30928541233. The next prime is 30928541239. The reversal of 30928541234 is 43214582903.

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

It can be written as a sum of positive squares in only one way, i.e., 25130175625 + 5798365609 = 158525^2 + 76147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30928541191 and 30928541200.

It is not an unprimeable number, because it can be changed into a prime (30928541233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7732135307 + ... + 7732135310.

Almost surely, 2^30928541234 is an apocalyptic number.

30928541234 is a deficient number, since it is larger than the sum of its proper divisors (15464270620).

30928541234 is a wasteful number, since it uses less digits than its factorization.

30928541234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15464270619.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 30928541234 in words is "thirty billion, nine hundred twenty-eight million, five hundred forty-one thousand, two hundred thirty-four".