30340631057 has 6 divisors (see below), whose sum is σ = 33349619394. Its totient is φ = 27582391760.

The previous prime is 30340631029. The next prime is 30340631071. The reversal of 30340631057 is 75013604303.

It can be written as a sum of positive squares in only one way, i.e., 19152068881 + 11188562176 = 138391^2 + 105776^2 .

It is not a de Polignac number, because 30340631057 - 2²⁶ = 30273522193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30340631077) 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 in 5 ways as a sum of consecutive naturals, for example, 125374388 + ... + 125374629.

It is an arithmetic number, because the mean of its divisors is an integer number (5558269899).

Almost surely, 2^30340631057 is an apocalyptic number.

It is an amenable number.

30340631057 is a deficient number, since it is larger than the sum of its proper divisors (3008988337).

30340631057 is a wasteful number, since it uses less digits than its factorization.

30340631057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250749039 (or 250749028 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The spelling of 30340631057 in words is "thirty billion, three hundred forty million, six hundred thirty-one thousand, fifty-seven".