33142244343 has 32 divisors (see below), whose sum is σ = 48814772160. Its totient is φ = 19871170560.

The previous prime is 33142244339. The next prime is 33142244393. The reversal of 33142244343 is 34344224133.

It is a happy number.

It is not a de Polignac number, because 33142244343 - 2² = 33142244339 is a prime.

It is a super-2 number, since 2×33142244343² (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 (33142244393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1216155 + ... + 1243107.

It is an arithmetic number, because the mean of its divisors is an integer number (1525461630).

Almost surely, 2^33142244343 is an apocalyptic number.

33142244343 is a deficient number, since it is larger than the sum of its proper divisors (15672527817).

33142244343 is a wasteful number, since it uses less digits than its factorization.

33142244343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27779.

The product of its digits is 82944, while the sum is 33.

Adding to 33142244343 its reverse (34344224133), we get a palindrome (67486468476).

The spelling of 33142244343 in words is "thirty-three billion, one hundred forty-two million, two hundred forty-four thousand, three hundred forty-three".