30132203312231 has 4 divisors (see below), whose sum is σ = 30155364115464. Its totient is φ = 30109042509000.

The previous prime is 30132203312207. The next prime is 30132203312249. The reversal of 30132203312231 is 13221330223103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30132203312231 is a prime.

It is a super-2 number, since 2×30132203312231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30132203312231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132203315231) 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, 11580399665 + ... + 11580402266.

It is an arithmetic number, because the mean of its divisors is an integer number (7538841028866).

Almost surely, 2^{30132203312231} is an apocalyptic number.

30132203312231 is a deficient number, since it is larger than the sum of its proper divisors (23160803233).

30132203312231 is a wasteful number, since it uses less digits than its factorization.

30132203312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23160803232.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30132203312231 its reverse (13221330223103), we get a palindrome (43353533535334).

The spelling of 30132203312231 in words is "thirty trillion, one hundred thirty-two billion, two hundred three million, three hundred twelve thousand, two hundred thirty-one".