30610705157 has 2 divisors, whose sum is σ = 30610705158. Its totient is φ = 30610705156.

The previous prime is 30610705133. The next prime is 30610705187. The reversal of 30610705157 is 75150701603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24037711681 + 6572993476 = 155041^2 + 81074^2 .

It is an emirp because it is prime and its reverse (75150701603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30610705157 - 2⁶ = 30610705093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30610705187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15305352578 + 15305352579.

It is an arithmetic number, because the mean of its divisors is an integer number (15305352579).

Almost surely, 2^30610705157 is an apocalyptic number.

It is an amenable number.

30610705157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30610705157 is an equidigital number, since it uses as much as digits as its factorization.

30610705157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 35.

The spelling of 30610705157 in words is "thirty billion, six hundred ten million, seven hundred five thousand, one hundred fifty-seven".