30402042001 has 2 divisors, whose sum is σ = 30402042002. Its totient is φ = 30402042000.

The previous prime is 30402041993. The next prime is 30402042037. The reversal of 30402042001 is 10024020403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26756780625 + 3645261376 = 163575^2 + 60376^2 .

It is a cyclic number.

It is not a de Polignac number, because 30402042001 - 2³ = 30402041993 is a prime.

It is not a weakly prime, because it can be changed into another prime (30402042301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201021000 + 15201021001.

It is an arithmetic number, because the mean of its divisors is an integer number (15201021001).

Almost surely, 2^30402042001 is an apocalyptic number.

It is an amenable number.

30402042001 is a deficient number, since it is larger than the sum of its proper divisors (1).

30402042001 is an equidigital number, since it uses as much as digits as its factorization.

30402042001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 30402042001 its reverse (10024020403), we get a palindrome (40426062404).

The spelling of 30402042001 in words is "thirty billion, four hundred two million, forty-two thousand, one".