33243134240402 has 4 divisors (see below), whose sum is σ = 49864701360606. Its totient is φ = 16621567120200.

The previous prime is 33243134240363. The next prime is 33243134240419. The reversal of 33243134240402 is 20404243134233.

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

It can be written as a sum of positive squares in only one way, i.e., 31413009582361 + 1830124658041 = 5604731^2 + 1352821^2 .

It is a super-2 number, since 2×33243134240402² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8310783560099 + ... + 8310783560102.

Almost surely, 2^{33243134240402} is an apocalyptic number.

33243134240402 is a deficient number, since it is larger than the sum of its proper divisors (16621567120204).

33243134240402 is a wasteful number, since it uses less digits than its factorization.

33243134240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16621567120203.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 33243134240402 its reverse (20404243134233), we get a palindrome (53647377374635).

The spelling of 33243134240402 in words is "thirty-three trillion, two hundred forty-three billion, one hundred thirty-four million, two hundred forty thousand, four hundred two".