31232144011 has 2 divisors, whose sum is σ = 31232144012. Its totient is φ = 31232144010.

The previous prime is 31232143991. The next prime is 31232144017. The reversal of 31232144011 is 11044123213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31232144011 - 2¹⁹ = 31231619723 is a prime.

It is not a weakly prime, because it can be changed into another prime (31232144017) 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 as a sum of consecutive naturals, namely, 15616072005 + 15616072006.

It is an arithmetic number, because the mean of its divisors is an integer number (15616072006).

Almost surely, 2^31232144011 is an apocalyptic number.

31232144011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232144011 is an equidigital number, since it uses as much as digits as its factorization.

31232144011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31232144011 its reverse (11044123213), we get a palindrome (42276267224).

The spelling of 31232144011 in words is "thirty-one billion, two hundred thirty-two million, one hundred forty-four thousand, eleven".