30203020311113 has 4 divisors (see below), whose sum is σ = 32526329565828. Its totient is φ = 27879711056400.

The previous prime is 30203020311097. The next prime is 30203020311131. The reversal of 30203020311113 is 31111302030203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20542939834624 + 9660080476489 = 4532432^2 + 3108067^2 .

It is a cyclic number.

It is not a de Polignac number, because 30203020311113 - 2⁴ = 30203020311097 is a prime.

It is a super-2 number, since 2×30203020311113² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30203020311143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161654627338 + ... + 1161654627363.

It is an arithmetic number, because the mean of its divisors is an integer number (8131582391457).

Almost surely, 2^{30203020311113} is an apocalyptic number.

It is an amenable number.

30203020311113 is a deficient number, since it is larger than the sum of its proper divisors (2323309254715).

30203020311113 is a wasteful number, since it uses less digits than its factorization.

30203020311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323309254714.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30203020311113 its reverse (31111302030203), we get a palindrome (61314322341316).

The spelling of 30203020311113 in words is "thirty trillion, two hundred three billion, twenty million, three hundred eleven thousand, one hundred thirteen".