31132231441 has 16 divisors (see below), whose sum is σ = 32231808000. Its totient is φ = 30051710208.

The previous prime is 31132231439. The next prime is 31132231453. The reversal of 31132231441 is 14413223113.

It is a cyclic number.

It is not a de Polignac number, because 31132231441 - 2¹ = 31132231439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31132231411) 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 15 ways as a sum of consecutive naturals, for example, 3890941 + ... + 3898933.

It is an arithmetic number, because the mean of its divisors is an integer number (2014488000).

Almost surely, 2^31132231441 is an apocalyptic number.

It is an amenable number.

31132231441 is a deficient number, since it is larger than the sum of its proper divisors (1099576559).

31132231441 is a wasteful number, since it uses less digits than its factorization.

31132231441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168.

The product of its digits is 1728, while the sum is 25.

Adding to 31132231441 its reverse (14413223113), we get a palindrome (45545454554).

The spelling of 31132231441 in words is "thirty-one billion, one hundred thirty-two million, two hundred thirty-one thousand, four hundred forty-one".