30203110122213 has 32 divisors (see below), whose sum is σ = 47253713633280. Its totient is φ = 16799615303040.

The previous prime is 30203110122187. The next prime is 30203110122239. The reversal of 30203110122213 is 31222101130203.

It is an interprime number because it is at equal distance from previous prime (30203110122187) and next prime (30203110122239).

It is not a de Polignac number, because 30203110122213 - 2⁴¹ = 28004086866661 is a prime.

It is a super-2 number, since 2×30203110122213² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30203110122213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203110122293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39575445 + ... + 40331402.

It is an arithmetic number, because the mean of its divisors is an integer number (1476678551040).

Almost surely, 2^{30203110122213} is an apocalyptic number.

It is an amenable number.

30203110122213 is a deficient number, since it is larger than the sum of its proper divisors (17050603511067).

30203110122213 is a wasteful number, since it uses less digits than its factorization.

30203110122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79907337.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30203110122213 its reverse (31222101130203), we get a palindrome (61425211252416).

The spelling of 30203110122213 in words is "thirty trillion, two hundred three billion, one hundred ten million, one hundred twenty-two thousand, two hundred thirteen".