33212031401 has 2 divisors, whose sum is σ = 33212031402. Its totient is φ = 33212031400.

The previous prime is 33212031397. The next prime is 33212031403. The reversal of 33212031401 is 10413021233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20841253225 + 12370778176 = 144365^2 + 111224^2 .

It is a cyclic number.

It is not a de Polignac number, because 33212031401 - 2² = 33212031397 is a prime.

It is a super-2 number, since 2×33212031401² (a number of 22 digits) contains 22 as substring.

Together with 33212031403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33212031403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16606015700 + 16606015701.

It is an arithmetic number, because the mean of its divisors is an integer number (16606015701).

Almost surely, 2^33212031401 is an apocalyptic number.

It is an amenable number.

33212031401 is a deficient number, since it is larger than the sum of its proper divisors (1).

33212031401 is an equidigital number, since it uses as much as digits as its factorization.

33212031401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33212031401 its reverse (10413021233), we get a palindrome (43625052634).

The spelling of 33212031401 in words is "thirty-three billion, two hundred twelve million, thirty-one thousand, four hundred one".