33142023231 has 8 divisors (see below), whose sum is σ = 44594771760. Its totient is φ = 21891978432.

The previous prime is 33142023181. The next prime is 33142023253. The reversal of 33142023231 is 13232024133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33142023231 - 2¹¹ = 33142021183 is a prime.

It is a super-2 number, since 2×33142023231² (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 (33142027231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50675550 + ... + 50676203.

It is an arithmetic number, because the mean of its divisors is an integer number (5574346470).

Almost surely, 2^33142023231 is an apocalyptic number.

33142023231 is a deficient number, since it is larger than the sum of its proper divisors (11452748529).

33142023231 is a wasteful number, since it uses less digits than its factorization.

33142023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101351865.

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

Adding to 33142023231 its reverse (13232024133), we get a palindrome (46374047364).

The spelling of 33142023231 in words is "thirty-three billion, one hundred forty-two million, twenty-three thousand, two hundred thirty-one".