33013131210011 has 4 divisors (see below), whose sum is σ = 33014703210024. Its totient is φ = 33011559210000.

The previous prime is 33013131209969. The next prime is 33013131210013. The reversal of 33013131210011 is 11001213131033.

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

It is a cyclic number.

It is not a de Polignac number, because 33013131210011 - 2¹⁰ = 33013131208987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33013131210013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785968505 + ... + 786010506.

It is an arithmetic number, because the mean of its divisors is an integer number (8253675802506).

Almost surely, 2^{33013131210011} is an apocalyptic number.

33013131210011 is a deficient number, since it is larger than the sum of its proper divisors (1572000013).

33013131210011 is a wasteful number, since it uses less digits than its factorization.

33013131210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572000012.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 33013131210011 its reverse (11001213131033), we get a palindrome (44014344341044).

The spelling of 33013131210011 in words is "thirty-three trillion, thirteen billion, one hundred thirty-one million, two hundred ten thousand, eleven".