30203033231213 has 4 divisors (see below), whose sum is σ = 30220562561568. Its totient is φ = 30185503900860.

The previous prime is 30203033231197. The next prime is 30203033231281. The reversal of 30203033231213 is 31213233030203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30203033231213 - 2⁴ = 30203033231197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203033231113) 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, 8764662593 + ... + 8764666038.

It is an arithmetic number, because the mean of its divisors is an integer number (7555140640392).

Almost surely, 2^{30203033231213} is an apocalyptic number.

It is an amenable number.

30203033231213 is a deficient number, since it is larger than the sum of its proper divisors (17529330355).

30203033231213 is a wasteful number, since it uses less digits than its factorization.

30203033231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17529330354.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 30203033231213 its reverse (31213233030203), we get a palindrome (61416266261416).

The spelling of 30203033231213 in words is "thirty trillion, two hundred three billion, thirty-three million, two hundred thirty-one thousand, two hundred thirteen".