33400234311 has 16 divisors (see below), whose sum is σ = 46912074240. Its totient is φ = 21079336320.

The previous prime is 33400234249. The next prime is 33400234321. The reversal of 33400234311 is 11343200433.

It is not a de Polignac number, because 33400234311 - 2⁷ = 33400234183 is a prime.

It is a super-2 number, since 2×33400234311² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400234321) 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 in 15 ways as a sum of consecutive naturals, for example, 137695 + ... + 292848.

It is an arithmetic number, because the mean of its divisors is an integer number (2932004640).

Almost surely, 2^33400234311 is an apocalyptic number.

33400234311 is a deficient number, since it is larger than the sum of its proper divisors (13511839929).

33400234311 is a wasteful number, since it uses less digits than its factorization.

33400234311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431926.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 33400234311 its reverse (11343200433), we get a palindrome (44743434744).

The spelling of 33400234311 in words is "thirty-three billion, four hundred million, two hundred thirty-four thousand, three hundred eleven".