201532031 has 4 divisors (see below), whose sum is σ = 212139000. Its totient is φ = 190925064.

The previous prime is 201532027. The next prime is 201532033. The reversal of 201532031 is 130235102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130235102 = 2 ⋅65117551.

It is a cyclic number.

It is not a de Polignac number, because 201532031 - 2² = 201532027 is a prime.

It is a super-2 number, since 2×201532031² = 81230319037969922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201532033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303456 + ... + 5303493.

It is an arithmetic number, because the mean of its divisors is an integer number (53034750).

Almost surely, 2^201532031 is an apocalyptic number.

201532031 is a deficient number, since it is larger than the sum of its proper divisors (10606969).

201532031 is a wasteful number, since it uses less digits than its factorization.

201532031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606968.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 201532031 is about 14196.1977655991. The cubic root of 201532031 is about 586.2929796050.

Adding to 201532031 its reverse (130235102), we get a palindrome (331767133).

The spelling of 201532031 in words is "two hundred one million, five hundred thirty-two thousand, thirty-one".