201031153 has 12 divisors (see below), whose sum is σ = 214586820. Its totient is φ = 188280576.

The previous prime is 201031147. The next prime is 201031199. The reversal of 201031153 is 351130102.

It can be written as a sum of positive squares in 2 ways, for example, as 135210384 + 65820769 = 11628^2 + 8113^2 .

It is a de Polignac number, because none of the positive numbers 2^k-201031153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201031553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29001 + ... + 35257.

It is an arithmetic number, because the mean of its divisors is an integer number (17882235).

Almost surely, 2^201031153 is an apocalyptic number.

It is an amenable number.

201031153 is a deficient number, since it is larger than the sum of its proper divisors (13555667).

201031153 is an equidigital number, since it uses as much as digits as its factorization.

201031153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384 (or 6365 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 201031153 is about 14178.5455177885. The cubic root of 201031153 is about 585.8068618832.

Adding to 201031153 its reverse (351130102), we get a palindrome (552161255).

The spelling of 201031153 in words is "two hundred one million, thirty-one thousand, one hundred fifty-three".