33401342213 has 2 divisors, whose sum is σ = 33401342214. Its totient is φ = 33401342212.

The previous prime is 33401342153. The next prime is 33401342269. The reversal of 33401342213 is 31224310433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30151544164 + 3249798049 = 173642^2 + 57007^2 .

It is an emirp because it is prime and its reverse (31224310433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33401342213 - 2²² = 33397147909 is a prime.

It is a super-2 number, since 2×33401342213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33401342113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16700671106 + 16700671107.

It is an arithmetic number, because the mean of its divisors is an integer number (16700671107).

Almost surely, 2^33401342213 is an apocalyptic number.

It is an amenable number.

33401342213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33401342213 is an equidigital number, since it uses as much as digits as its factorization.

33401342213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 33401342213 its reverse (31224310433), we get a palindrome (64625652646).

The spelling of 33401342213 in words is "thirty-three billion, four hundred one million, three hundred forty-two thousand, two hundred thirteen".