33054305231 has 2 divisors, whose sum is σ = 33054305232. Its totient is φ = 33054305230.

The previous prime is 33054305189. The next prime is 33054305269. The reversal of 33054305231 is 13250345033.

It is a strong prime.

It is an emirp because it is prime and its reverse (13250345033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33054305231 is a prime.

It is a super-2 number, since 2×33054305231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33054305194 and 33054305203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33054305281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16527152615 + 16527152616.

It is an arithmetic number, because the mean of its divisors is an integer number (16527152616).

Almost surely, 2^33054305231 is an apocalyptic number.

33054305231 is a deficient number, since it is larger than the sum of its proper divisors (1).

33054305231 is an equidigital number, since it uses as much as digits as its factorization.

33054305231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 33054305231 in words is "thirty-three billion, fifty-four million, three hundred five thousand, two hundred thirty-one".