31424140141 has 2 divisors, whose sum is σ = 31424140142. Its totient is φ = 31424140140.

The previous prime is 31424140043. The next prime is 31424140157. The reversal of 31424140141 is 14104142413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31000644900 + 423495241 = 176070^2 + 20579^2 .

It is an emirp because it is prime and its reverse (14104142413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31424140141 - 2⁹ = 31424139629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31424143141) 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, 15712070070 + 15712070071.

It is an arithmetic number, because the mean of its divisors is an integer number (15712070071).

Almost surely, 2^31424140141 is an apocalyptic number.

It is an amenable number.

31424140141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31424140141 is an equidigital number, since it uses as much as digits as its factorization.

31424140141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 31424140141 its reverse (14104142413), we get a palindrome (45528282554).

The spelling of 31424140141 in words is "thirty-one billion, four hundred twenty-four million, one hundred forty thousand, one hundred forty-one".