30031201205 has 8 divisors (see below), whose sum is σ = 36053254104. Its totient is φ = 24014419200.

The previous prime is 30031201147. The next prime is 30031201229. The reversal of 30031201205 is 50210213003.

It can be written as a sum of positive squares in 4 ways, for example, as 4011575569 + 26019625636 = 63337^2 + 161306^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30031201205 - 2¹⁶ = 30031135669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305176 + ... + 1327985.

It is an arithmetic number, because the mean of its divisors is an integer number (4506656763).

Almost surely, 2^30031201205 is an apocalyptic number.

It is an amenable number.

30031201205 is a deficient number, since it is larger than the sum of its proper divisors (6022052899).

30031201205 is a wasteful number, since it uses less digits than its factorization.

30031201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635447.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 30031201205 its reverse (50210213003), we get a palindrome (80241414208).

The spelling of 30031201205 in words is "thirty billion, thirty-one million, two hundred one thousand, two hundred five".