30230121311 has 16 divisors (see below), whose sum is σ = 33323283840. Its totient is φ = 27247056480.

The previous prime is 30230121289. The next prime is 30230121331. The reversal of 30230121311 is 11312103203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230121311 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 30230121311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230121331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2280260 + ... + 2293478.

It is an arithmetic number, because the mean of its divisors is an integer number (2082705240).

Almost surely, 2^30230121311 is an apocalyptic number.

30230121311 is a deficient number, since it is larger than the sum of its proper divisors (3093162529).

30230121311 is a wasteful number, since it uses less digits than its factorization.

30230121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17366.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30230121311 its reverse (11312103203), we get a palindrome (41542224514).

The spelling of 30230121311 in words is "thirty billion, two hundred thirty million, one hundred twenty-one thousand, three hundred eleven".