31142300123441 has 4 divisors (see below), whose sum is σ = 33537861671412. Its totient is φ = 28746738575472.

The previous prime is 31142300123423. The next prime is 31142300123443. The reversal of 31142300123441 is 14432100324113.

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 6510682972816 + 24631617150625 = 2551604^2 + 4963025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31142300123441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31142300123443) 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, 1197780773966 + ... + 1197780773991.

It is an arithmetic number, because the mean of its divisors is an integer number (8384465417853).

Almost surely, 2^{31142300123441} is an apocalyptic number.

It is an amenable number.

31142300123441 is a deficient number, since it is larger than the sum of its proper divisors (2395561547971).

31142300123441 is a wasteful number, since it uses less digits than its factorization.

31142300123441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395561547970.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31142300123441 its reverse (14432100324113), we get a palindrome (45574400447554).

The spelling of 31142300123441 in words is "thirty-one trillion, one hundred forty-two billion, three hundred million, one hundred twenty-three thousand, four hundred forty-one".