30771243361 has 8 divisors (see below), whose sum is σ = 31155954984. Its totient is φ = 30387909120.

The previous prime is 30771243359. The next prime is 30771243367. The reversal of 30771243361 is 16334217703.

It can be written as a sum of positive squares in 4 ways, for example, as 1879742736 + 28891500625 = 43356^2 + 169975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30771243361 - 2¹ = 30771243359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30771243361.

It is not an unprimeable number, because it can be changed into a prime (30771243367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299350 + ... + 388783.

It is an arithmetic number, because the mean of its divisors is an integer number (3894494373).

Almost surely, 2^30771243361 is an apocalyptic number.

It is an amenable number.

30771243361 is a deficient number, since it is larger than the sum of its proper divisors (384711623).

30771243361 is an equidigital number, since it uses as much as digits as its factorization.

30771243361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688691.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 30771243361 in words is "thirty billion, seven hundred seventy-one million, two hundred forty-three thousand, three hundred sixty-one".