33131042013004 has 72 divisors (see below), whose sum is σ = 66728299223040. Its totient is φ = 14345801825472.

The previous prime is 33131042012963. The next prime is 33131042013103. The reversal of 33131042013004 is 40031024013133.

It is a super-2 number, since 2×33131042013004² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33131042013004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11198892 + ... + 13844755.

Almost surely, 2^{33131042013004} is an apocalyptic number.

It is an amenable number.

33131042013004 is an abundant number, since it is smaller than the sum of its proper divisors (33597257210036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33131042013004 is a wasteful number, since it uses less digits than its factorization.

33131042013004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25043799 (or 25043784 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 33131042013004 its reverse (40031024013133), we get a palindrome (73162066026137).

The spelling of 33131042013004 in words is "thirty-three trillion, one hundred thirty-one billion, forty-two million, thirteen thousand, four".