201001031236 has 12 divisors (see below), whose sum is σ = 370265057680. Its totient is φ = 95211014760.

The previous prime is 201001031219. The next prime is 201001031237. The reversal of 201001031236 is 632130100102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (201001031237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322375130 + ... + 1322375281.

Almost surely, 2^201001031236 is an apocalyptic number.

It is an amenable number.

201001031236 is a deficient number, since it is larger than the sum of its proper divisors (169264026444).

201001031236 is a wasteful number, since it uses less digits than its factorization.

201001031236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644750434 (or 2644750432 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201001031236 its reverse (632130100102), we get a palindrome (833131131338).

The spelling of 201001031236 in words is "two hundred one billion, one million, thirty-one thousand, two hundred thirty-six".