30342400133 has 2 divisors, whose sum is σ = 30342400134. Its totient is φ = 30342400132.

The previous prime is 30342400129. The next prime is 30342400177. The reversal of 30342400133 is 33100424303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30096004324 + 246395809 = 173482^2 + 15697^2 .

It is an emirp because it is prime and its reverse (33100424303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30342400133 - 2² = 30342400129 is a prime.

It is a super-2 number, since 2×30342400133² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30342400099 and 30342400108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30342402133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15171200066 + 15171200067.

It is an arithmetic number, because the mean of its divisors is an integer number (15171200067).

Almost surely, 2^30342400133 is an apocalyptic number.

It is an amenable number.

30342400133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30342400133 is an equidigital number, since it uses as much as digits as its factorization.

30342400133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 30342400133 its reverse (33100424303), we get a palindrome (63442824436).

The spelling of 30342400133 in words is "thirty billion, three hundred forty-two million, four hundred thousand, one hundred thirty-three".