30311211201002 has 4 divisors (see below), whose sum is σ = 45466816801506. Its totient is φ = 15155605600500.

The previous prime is 30311211200999. The next prime is 30311211201083. The reversal of 30311211201002 is 20010211211303.

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., 30065580937681 + 245630263321 = 5483209^2 + 495611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577802800249 + ... + 7577802800252.

Almost surely, 2^{30311211201002} is an apocalyptic number.

30311211201002 is a deficient number, since it is larger than the sum of its proper divisors (15155605600504).

30311211201002 is a wasteful number, since it uses less digits than its factorization.

30311211201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155605600503.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30311211201002 its reverse (20010211211303), we get a palindrome (50321422412305).

The spelling of 30311211201002 in words is "thirty trillion, three hundred eleven billion, two hundred eleven million, two hundred one thousand, two".