33130131 has 8 divisors (see below), whose sum is σ = 44564880. Its totient is φ = 21891072.

The previous prime is 33130099. The next prime is 33130157. The reversal of 33130131 is 13103133.

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

It is not a de Polignac number, because 33130131 - 2⁵ = 33130099 is a prime.

It is a super-2 number, since 2×33130131² = 2195211160154322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33130131.

It is not an unprimeable number, because it can be changed into a prime (33130171) 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, 48526 + ... + 49203.

It is an arithmetic number, because the mean of its divisors is an integer number (5570610).

Almost surely, 2^33130131 is an apocalyptic number.

33130131 is a deficient number, since it is larger than the sum of its proper divisors (11434749).

33130131 is a wasteful number, since it uses less digits than its factorization.

33130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97845.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 33130131 is about 5755.8779521460. The cubic root of 33130131 is about 321.1744958237.

Adding to 33130131 its reverse (13103133), we get a palindrome (46233264).

The spelling of 33130131 in words is "thirty-three million, one hundred thirty thousand, one hundred thirty-one".