33113156 has 12 divisors (see below), whose sum is σ = 58046268. Its totient is φ = 16528512.

The previous prime is 33113149. The next prime is 33113167. The reversal of 33113156 is 65131133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5382400 + 27730756 = 2320^2 + 5266^2 .

It is a super-2 number, since 2×33113156² = 2192962200560672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4241 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (4837189).

Almost surely, 2^33113156 is an apocalyptic number.

It is an amenable number.

33113156 is a deficient number, since it is larger than the sum of its proper divisors (24933112).

33113156 is a wasteful number, since it uses less digits than its factorization.

33113156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038 (or 14036 counting only the distinct ones).

The product of its digits is 810, while the sum is 23.

The square root of 33113156 is about 5754.4031836499. The cubic root of 33113156 is about 321.1196326894.

Adding to 33113156 its reverse (65131133), we get a palindrome (98244289).

The spelling of 33113156 in words is "thirty-three million, one hundred thirteen thousand, one hundred fifty-six".