30111311321 has 64 divisors (see below), whose sum is σ = 39513600000. Its totient is φ = 22281599232.

The previous prime is 30111311317. The next prime is 30111311339. The reversal of 30111311321 is 12311311103.

It is a cyclic number.

It is not a de Polignac number, because 30111311321 - 2² = 30111311317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30111311321.

It is not an unprimeable number, because it can be changed into a prime (30111311521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83875340 + ... + 83875698.

It is an arithmetic number, because the mean of its divisors is an integer number (617400000).

Almost surely, 2^30111311321 is an apocalyptic number.

It is an amenable number.

30111311321 is a deficient number, since it is larger than the sum of its proper divisors (9402288679).

30111311321 is a wasteful number, since it uses less digits than its factorization.

30111311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 30111311321 its reverse (12311311103), we get a palindrome (42422622424).

The spelling of 30111311321 in words is "thirty billion, one hundred eleven million, three hundred eleven thousand, three hundred twenty-one".