33040431241013 has 32 divisors (see below), whose sum is σ = 37901580715008. Its totient is φ = 28214801798400.

The previous prime is 33040431241009. The next prime is 33040431241031. The reversal of 33040431241013 is 31014213404033.

It is a happy number.

It is not a de Polignac number, because 33040431241013 - 2² = 33040431241009 is a prime.

It is a super-3 number, since 3×33040431241013³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33040431241073) 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, 7735992068 + ... + 7735996338.

It is an arithmetic number, because the mean of its divisors is an integer number (1184424397344).

Almost surely, 2^{33040431241013} is an apocalyptic number.

It is an amenable number.

33040431241013 is a deficient number, since it is larger than the sum of its proper divisors (4861149473995).

33040431241013 is a wasteful number, since it uses less digits than its factorization.

33040431241013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 33040431241013 its reverse (31014213404033), we get a palindrome (64054644645046).

The spelling of 33040431241013 in words is "thirty-three trillion, forty billion, four hundred thirty-one million, two hundred forty-one thousand, thirteen".