33421142031 has 4 divisors (see below), whose sum is σ = 44561522712. Its totient is φ = 22280761352.

The previous prime is 33421141997. The next prime is 33421142071. The reversal of 33421142031 is 13024112433.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33421142031 - 2²² = 33416947727 is a prime.

It is a super-2 number, since 2×33421142031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33421141992 and 33421142010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421142071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570190336 + ... + 5570190341.

It is an arithmetic number, because the mean of its divisors is an integer number (11140380678).

Almost surely, 2^33421142031 is an apocalyptic number.

33421142031 is a deficient number, since it is larger than the sum of its proper divisors (11140380681).

33421142031 is a wasteful number, since it uses less digits than its factorization.

33421142031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140380680.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 33421142031 its reverse (13024112433), we get a palindrome (46445254464).

The spelling of 33421142031 in words is "thirty-three billion, four hundred twenty-one million, one hundred forty-two thousand, thirty-one".