33013001131 has 16 divisors (see below), whose sum is σ = 38313433728. Its totient is φ = 28112515200.

The previous prime is 33013001117. The next prime is 33013001173. The reversal of 33013001131 is 13110031033.

It is not a de Polignac number, because 33013001131 - 2¹⁵ = 33012968363 is a prime.

It is a super-2 number, since 2×33013001131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33013091131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378885 + ... + 457798.

It is an arithmetic number, because the mean of its divisors is an integer number (2394589608).

Almost surely, 2^33013001131 is an apocalyptic number.

33013001131 is a deficient number, since it is larger than the sum of its proper divisors (5300432597).

33013001131 is a wasteful number, since it uses less digits than its factorization.

33013001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836922.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 33013001131 its reverse (13110031033), we get a palindrome (46123032164).

The spelling of 33013001131 in words is "thirty-three billion, thirteen million, one thousand, one hundred thirty-one".