30999953046323 has 2 divisors, whose sum is σ = 30999953046324. Its totient is φ = 30999953046322.

The previous prime is 30999953046301. The next prime is 30999953046347. The reversal of 30999953046323 is 32364035999903.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30999953046323 is a prime.

It is a super-3 number, since 3×30999953046323³ (a number of 41 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30999953046323.

It is not a weakly prime, because it can be changed into another prime (30999953046353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15499976523161 + 15499976523162.

It is an arithmetic number, because the mean of its divisors is an integer number (15499976523162).

Almost surely, 2^{30999953046323} is an apocalyptic number.

30999953046323 is a deficient number, since it is larger than the sum of its proper divisors (1).

30999953046323 is an equidigital number, since it uses as much as digits as its factorization.

30999953046323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127545840, while the sum is 65.

The spelling of 30999953046323 in words is "thirty trillion, nine hundred ninety-nine billion, nine hundred fifty-three million, forty-six thousand, three hundred twenty-three".