30663552232031 has 2 divisors, whose sum is σ = 30663552232032. Its totient is φ = 30663552232030.

The previous prime is 30663552232021. The next prime is 30663552232073. The reversal of 30663552232031 is 13023225536603.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30663552232031 is a prime.

It is a super-2 number, since 2×30663552232031² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30663552232031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30663552232021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15331776116015 + 15331776116016.

It is an arithmetic number, because the mean of its divisors is an integer number (15331776116016).

Almost surely, 2^{30663552232031} is an apocalyptic number.

30663552232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30663552232031 is an equidigital number, since it uses as much as digits as its factorization.

30663552232031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 41.

Adding to 30663552232031 its reverse (13023225536603), we get a palindrome (43686777768634).

The spelling of 30663552232031 in words is "thirty trillion, six hundred sixty-three billion, five hundred fifty-two million, two hundred thirty-two thousand, thirty-one".