33421203131 has 2 divisors, whose sum is σ = 33421203132. Its totient is φ = 33421203130.

The previous prime is 33421203119. The next prime is 33421203133. The reversal of 33421203131 is 13130212433.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33421203131 is a prime.

It is a super-2 number, since 2×33421203131² (a number of 22 digits) contains 22 as substring.

Together with 33421203133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33421203097 and 33421203106.

It is not a weakly prime, because it can be changed into another prime (33421203133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16710601565 + 16710601566.

It is an arithmetic number, because the mean of its divisors is an integer number (16710601566).

Almost surely, 2^33421203131 is an apocalyptic number.

33421203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

33421203131 is an equidigital number, since it uses as much as digits as its factorization.

33421203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 33421203131 its reverse (13130212433), we get a palindrome (46551415564).

The spelling of 33421203131 in words is "thirty-three billion, four hundred twenty-one million, two hundred three thousand, one hundred thirty-one".