2031201236 has 12 divisors (see below), whose sum is σ = 3555189120. Its totient is φ = 1015432920.

The previous prime is 2031201229. The next prime is 2031201253. The reversal of 2031201236 is 6321021302.

It is a happy number.

It is a super-2 number, since 2×2031201236² = 8251556922255855392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12356 + ... + 64923.

It is an arithmetic number, because the mean of its divisors is an integer number (296265760).

Almost surely, 2^2031201236 is an apocalyptic number.

It is an amenable number.

2031201236 is a deficient number, since it is larger than the sum of its proper divisors (1523987884).

2031201236 is a wasteful number, since it uses less digits than its factorization.

2031201236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83854 (or 83852 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2031201236 is about 45068.8499520456. The cubic root of 2031201236 is about 1266.4391201905.

Adding to 2031201236 its reverse (6321021302), we get a palindrome (8352222538).

The spelling of 2031201236 in words is "two billion, thirty-one million, two hundred one thousand, two hundred thirty-six".