33131036 has 6 divisors (see below), whose sum is σ = 57979320. Its totient is φ = 16565516.

The previous prime is 33131023. The next prime is 33131069. The reversal of 33131036 is 63013133.

It is a junction number, because it is equal to n+sod(n) for n = 33130999 and 33131017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4141376 + ... + 4141383.

It is an arithmetic number, because the mean of its divisors is an integer number (9663220).

Almost surely, 2^33131036 is an apocalyptic number.

It is an amenable number.

33131036 is a deficient number, since it is larger than the sum of its proper divisors (24848284).

33131036 is a wasteful number, since it uses less digits than its factorization.

33131036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8282763 (or 8282761 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 33131036 is about 5755.9565668966. The cubic root of 33131036 is about 321.1774202539.

Adding to 33131036 its reverse (63013133), we get a palindrome (96144169).

The spelling of 33131036 in words is "thirty-three million, one hundred thirty-one thousand, thirty-six".