30636568449031 has 2 divisors, whose sum is σ = 30636568449032. Its totient is φ = 30636568449030.

The previous prime is 30636568449023. The next prime is 30636568449191. The reversal of 30636568449031 is 13094486563603.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30636568449031 - 2³ = 30636568449023 is a prime.

It is a super-2 number, since 2×30636568449031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30636568447031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15318284224515 + 15318284224516.

It is an arithmetic number, because the mean of its divisors is an integer number (15318284224516).

Almost surely, 2^{30636568449031} is an apocalyptic number.

30636568449031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30636568449031 is an equidigital number, since it uses as much as digits as its factorization.

30636568449031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 30636568449031 in words is "thirty trillion, six hundred thirty-six billion, five hundred sixty-eight million, four hundred forty-nine thousand, thirty-one".