30515490361 has 2 divisors, whose sum is σ = 30515490362. Its totient is φ = 30515490360.

The previous prime is 30515490353. The next prime is 30515490403. The reversal of 30515490361 is 16309451503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23178540025 + 7336950336 = 152245^2 + 85656^2 .

It is an emirp because it is prime and its reverse (16309451503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30515490361 - 2³ = 30515490353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30515490361.

It is not a weakly prime, because it can be changed into another prime (30515490461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257745180 + 15257745181.

It is an arithmetic number, because the mean of its divisors is an integer number (15257745181).

Almost surely, 2^30515490361 is an apocalyptic number.

It is an amenable number.

30515490361 is a deficient number, since it is larger than the sum of its proper divisors (1).

30515490361 is an equidigital number, since it uses as much as digits as its factorization.

30515490361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 30515490361 in words is "thirty billion, five hundred fifteen million, four hundred ninety thousand, three hundred sixty-one".