31441322141 has 4 divisors (see below), whose sum is σ = 31452330012. Its totient is φ = 31430314272.

The previous prime is 31441322123. The next prime is 31441322149. The reversal of 31441322141 is 14122314413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10402980025 + 21038342116 = 101995^2 + 145046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31441322141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31441322141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441322149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5499650 + ... + 5505363.

It is an arithmetic number, because the mean of its divisors is an integer number (7863082503).

Almost surely, 2^31441322141 is an apocalyptic number.

It is an amenable number.

31441322141 is a deficient number, since it is larger than the sum of its proper divisors (11007871).

31441322141 is a wasteful number, since it uses less digits than its factorization.

31441322141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11007870.

The product of its digits is 2304, while the sum is 26.

Adding to 31441322141 its reverse (14122314413), we get a palindrome (45563636554).

The spelling of 31441322141 in words is "thirty-one billion, four hundred forty-one million, three hundred twenty-two thousand, one hundred forty-one".