30230073071 has 4 divisors (see below), whose sum is σ = 32978261544. Its totient is φ = 27481884600.

The previous prime is 30230073059. The next prime is 30230073103. The reversal of 30230073071 is 17037003203.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230073071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30230073071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230073371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374094220 + ... + 1374094241.

It is an arithmetic number, because the mean of its divisors is an integer number (8244565386).

Almost surely, 2^30230073071 is an apocalyptic number.

30230073071 is a deficient number, since it is larger than the sum of its proper divisors (2748188473).

30230073071 is a wasteful number, since it uses less digits than its factorization.

30230073071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748188472.

The product of its (nonzero) digits is 2646, while the sum is 26.

Adding to 30230073071 its reverse (17037003203), we get a palindrome (47267076274).

The spelling of 30230073071 in words is "thirty billion, two hundred thirty million, seventy-three thousand, seventy-one".