30201220311 has 4 divisors (see below), whose sum is σ = 40268293752. Its totient is φ = 20134146872.

The previous prime is 30201220277. The next prime is 30201220321. The reversal of 30201220311 is 11302210203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11302210203 = 3 ⋅3767403401.

It is a cyclic number.

It is not a de Polignac number, because 30201220311 - 2¹⁵ = 30201187543 is a prime.

It is a super-2 number, since 2×30201220311² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201220321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5033536716 + ... + 5033536721.

It is an arithmetic number, because the mean of its divisors is an integer number (10067073438).

Almost surely, 2^30201220311 is an apocalyptic number.

30201220311 is a deficient number, since it is larger than the sum of its proper divisors (10067073441).

30201220311 is a wasteful number, since it uses less digits than its factorization.

30201220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067073440.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30201220311 its reverse (11302210203), we get a palindrome (41503430514).

The spelling of 30201220311 in words is "thirty billion, two hundred one million, two hundred twenty thousand, three hundred eleven".