30231111133213 has 4 divisors (see below), whose sum is σ = 30267666286560. Its totient is φ = 30194555979868.

The previous prime is 30231111133063. The next prime is 30231111133219. The reversal of 30231111133213 is 31233111113203.

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 a de Polignac number, because none of the positive numbers 2^k-30231111133213 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 (30231111133219) 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, 18277575433 + ... + 18277577086.

It is an arithmetic number, because the mean of its divisors is an integer number (7566916571640).

Almost surely, 2^{30231111133213} is an apocalyptic number.

It is an amenable number.

30231111133213 is a deficient number, since it is larger than the sum of its proper divisors (36555153347).

30231111133213 is an equidigital number, since it uses as much as digits as its factorization.

30231111133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36555153346.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 30231111133213 its reverse (31233111113203), we get a palindrome (61464222246416).

The spelling of 30231111133213 in words is "thirty trillion, two hundred thirty-one billion, one hundred eleven million, one hundred thirty-three thousand, two hundred thirteen".