3331561236 has 24 divisors (see below), whose sum is σ = 7867303584. Its totient is φ = 1097140320.

The previous prime is 3331561229. The next prime is 3331561241. The reversal of 3331561236 is 6321651333.

It is a happy number.

It is a super-2 number, since 2×3331561236² = 22198600538435695392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3331561197 and 3331561206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671475 + ... + 1673466.

It is an arithmetic number, because the mean of its divisors is an integer number (327804316).

Almost surely, 2^3331561236 is an apocalyptic number.

It is an amenable number.

3331561236 is an abundant number, since it is smaller than the sum of its proper divisors (4535742348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3331561236 is a wasteful number, since it uses less digits than its factorization.

3331561236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345031 (or 3345029 counting only the distinct ones).

The product of its digits is 29160, while the sum is 33.

The square root of 3331561236 is about 57719.6780656303. The cubic root of 3331561236 is about 1493.5368190815.

The spelling of 3331561236 in words is "three billion, three hundred thirty-one million, five hundred sixty-one thousand, two hundred thirty-six".