340030331533 has 2 divisors, whose sum is σ = 340030331534. Its totient is φ = 340030331532.

The previous prime is 340030331521. The next prime is 340030331569. The reversal of 340030331533 is 335133030043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339950800809 + 79530724 = 583053^2 + 8918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340030331533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340030331593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170015165766 + 170015165767.

It is an arithmetic number, because the mean of its divisors is an integer number (170015165767).

Almost surely, 2^340030331533 is an apocalyptic number.

It is an amenable number.

340030331533 is a deficient number, since it is larger than the sum of its proper divisors (1).

340030331533 is an equidigital number, since it uses as much as digits as its factorization.

340030331533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 28.

Adding to 340030331533 its reverse (335133030043), we get a palindrome (675163361576).

The spelling of 340030331533 in words is "three hundred forty billion, thirty million, three hundred thirty-one thousand, five hundred thirty-three".