30387701 has 2 divisors, whose sum is σ = 30387702. Its totient is φ = 30387700.

The previous prime is 30387689. The next prime is 30387703. The reversal of 30387701 is 10778303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 3243601 = 5210^2 + 1801^2 .

It is an emirp because it is prime and its reverse (10778303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30387701 - 2¹⁰ = 30386677 is a prime.

Together with 30387703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30387703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15193850 + 15193851.

It is an arithmetic number, because the mean of its divisors is an integer number (15193851).

Almost surely, 2^30387701 is an apocalyptic number.

It is an amenable number.

30387701 is a deficient number, since it is larger than the sum of its proper divisors (1).

30387701 is an equidigital number, since it uses as much as digits as its factorization.

30387701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 30387701 is about 5512.5040589554. The cubic root of 30387701 is about 312.0560557017.

The spelling of 30387701 in words is "thirty million, three hundred eighty-seven thousand, seven hundred one".