32001131 has 2 divisors, whose sum is σ = 32001132. Its totient is φ = 32001130.

The previous prime is 32001127. The next prime is 32001133. The reversal of 32001131 is 13110023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32001131 - 2² = 32001127 is a prime.

It is a super-2 number, since 2×32001131² = 2048144770558322, which contains 22 as substring.

Together with 32001133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32001133) 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 as a sum of consecutive naturals, namely, 16000565 + 16000566.

It is an arithmetic number, because the mean of its divisors is an integer number (16000566).

Almost surely, 2^32001131 is an apocalyptic number.

32001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

32001131 is an equidigital number, since it uses as much as digits as its factorization.

32001131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 32001131 is about 5656.9542158303. The cubic root of 32001131 is about 317.4839506633.

Adding to 32001131 its reverse (13110023), we get a palindrome (45111154).

The spelling of 32001131 in words is "thirty-two million, one thousand, one hundred thirty-one".