30131212233 has 8 divisors (see below), whose sum is σ = 42538182048. Its totient is φ = 18905858624.

The previous prime is 30131212213. The next prime is 30131212277. The reversal of 30131212233 is 33221213103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30131212233 - 2¹³ = 30131204041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30131212213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295403991 + ... + 295404092.

It is an arithmetic number, because the mean of its divisors is an integer number (5317272756).

Almost surely, 2^30131212233 is an apocalyptic number.

It is an amenable number.

30131212233 is a deficient number, since it is larger than the sum of its proper divisors (12406969815).

30131212233 is a wasteful number, since it uses less digits than its factorization.

30131212233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590808103.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30131212233 its reverse (33221213103), we get a palindrome (63352425336).

The spelling of 30131212233 in words is "thirty billion, one hundred thirty-one million, two hundred twelve thousand, two hundred thirty-three".