30210331057 has 2 divisors, whose sum is σ = 30210331058. Its totient is φ = 30210331056.

The previous prime is 30210331013. The next prime is 30210331127. The reversal of 30210331057 is 75013301203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29575744576 + 634586481 = 171976^2 + 25191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30210331057 is a prime.

It is not a weakly prime, because it can be changed into another prime (30210331007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105165528 + 15105165529.

It is an arithmetic number, because the mean of its divisors is an integer number (15105165529).

Almost surely, 2^30210331057 is an apocalyptic number.

It is an amenable number.

30210331057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30210331057 is an equidigital number, since it uses as much as digits as its factorization.

30210331057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

The spelling of 30210331057 in words is "thirty billion, two hundred ten million, three hundred thirty-one thousand, fifty-seven".