201233020031 has 8 divisors (see below), whose sum is σ = 201778922880. Its totient is φ = 200687642272.

The previous prime is 201233019983. The next prime is 201233020067. The reversal of 201233020031 is 130020332102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201233020031 is a prime.

It is a super-2 number, since 2×201233020031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201233019991 and 201233020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201233020531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642401 + ... + 902853.

It is an arithmetic number, because the mean of its divisors is an integer number (25222365360).

Almost surely, 2^201233020031 is an apocalyptic number.

201233020031 is a deficient number, since it is larger than the sum of its proper divisors (545902849).

201233020031 is a wasteful number, since it uses less digits than its factorization.

201233020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262545.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201233020031 its reverse (130020332102), we get a palindrome (331253352133).

The spelling of 201233020031 in words is "two hundred one billion, two hundred thirty-three million, twenty thousand, thirty-one".