30232143231 has 4 divisors (see below), whose sum is σ = 40309524312. Its totient is φ = 20154762152.

The previous prime is 30232143209. The next prime is 30232143233. The reversal of 30232143231 is 13234123203.

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

It is a cyclic number.

It is not a de Polignac number, because 30232143231 - 2¹⁸ = 30231881087 is a prime.

It is a super-2 number, since 2×30232143231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232143233) 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, 5038690536 + ... + 5038690541.

It is an arithmetic number, because the mean of its divisors is an integer number (10077381078).

Almost surely, 2^30232143231 is an apocalyptic number.

30232143231 is a deficient number, since it is larger than the sum of its proper divisors (10077381081).

30232143231 is a wasteful number, since it uses less digits than its factorization.

30232143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077381080.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30232143231 its reverse (13234123203), we get a palindrome (43466266434).

The spelling of 30232143231 in words is "thirty billion, two hundred thirty-two million, one hundred forty-three thousand, two hundred thirty-one".