31440012401141 has 2 divisors, whose sum is σ = 31440012401142. Its totient is φ = 31440012401140.

The previous prime is 31440012401131. The next prime is 31440012401167. The reversal of 31440012401141 is 14110421004413.

It is a happy number.

It is an a-pointer prime, because the next prime (31440012401167) can be obtained adding 31440012401141 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31402742554225 + 37269846916 = 5603815^2 + 193054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31440012401141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31440012401141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31440012401131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720006200570 + 15720006200571.

It is an arithmetic number, because the mean of its divisors is an integer number (15720006200571).

Almost surely, 2^{31440012401141} is an apocalyptic number.

It is an amenable number.

31440012401141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31440012401141 is an equidigital number, since it uses as much as digits as its factorization.

31440012401141 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 26.

Adding to 31440012401141 its reverse (14110421004413), we get a palindrome (45550433405554).

The spelling of 31440012401141 in words is "thirty-one trillion, four hundred forty billion, twelve million, four hundred one thousand, one hundred forty-one".