30311233021213 has 8 divisors (see below), whose sum is σ = 30320167116096. Its totient is φ = 30302299860000.

The previous prime is 30311233021171. The next prime is 30311233021247. The reversal of 30311233021213 is 31212033211303.

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

It is a cyclic number.

It is not a de Polignac number, because 30311233021213 - 2³³ = 30302643086621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30311233021513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67586713 + ... + 68033713.

It is an arithmetic number, because the mean of its divisors is an integer number (3790020889512).

Almost surely, 2^{30311233021213} is an apocalyptic number.

It is an amenable number.

30311233021213 is a deficient number, since it is larger than the sum of its proper divisors (8934094883).

30311233021213 is a wasteful number, since it uses less digits than its factorization.

30311233021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466835.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30311233021213 its reverse (31212033211303), we get a palindrome (61523266232516).

The spelling of 30311233021213 in words is "thirty trillion, three hundred eleven billion, two hundred thirty-three million, twenty-one thousand, two hundred thirteen".