33013131011 has 8 divisors (see below), whose sum is σ = 39948662880. Its totient is φ = 26632441728.

The previous prime is 33013130989. The next prime is 33013131017. The reversal of 33013131011 is 11013131033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33013131011 - 2⁶ = 33013130947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (33013131017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138710516 + ... + 138710753.

It is an arithmetic number, because the mean of its divisors is an integer number (4993582860).

Almost surely, 2^33013131011 is an apocalyptic number.

33013131011 is a deficient number, since it is larger than the sum of its proper divisors (6935531869).

33013131011 is a wasteful number, since it uses less digits than its factorization.

33013131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277421293.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 33013131011 its reverse (11013131033), we get a palindrome (44026262044).

The spelling of 33013131011 in words is "thirty-three billion, thirteen million, one hundred thirty-one thousand, eleven".