31243332144241 has 16 divisors (see below), whose sum is σ = 35925139160064. Its totient is φ = 26616185213904.

The previous prime is 31243332144197. The next prime is 31243332144317. The reversal of 31243332144241 is 14244123334213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31243332144241 is a prime.

It is a super-2 number, since 2×31243332144241² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31243332144241.

It is not an unprimeable number, because it can be changed into a prime (31243332147241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7297866 + ... + 10758508.

It is an arithmetic number, because the mean of its divisors is an integer number (2245321197504).

Almost surely, 2^{31243332144241} is an apocalyptic number.

It is an amenable number.

31243332144241 is a deficient number, since it is larger than the sum of its proper divisors (4681807015823).

31243332144241 is a wasteful number, since it uses less digits than its factorization.

31243332144241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468540.

The product of its digits is 165888, while the sum is 37.

Adding to 31243332144241 its reverse (14244123334213), we get a palindrome (45487455478454).

The spelling of 31243332144241 in words is "thirty-one trillion, two hundred forty-three billion, three hundred thirty-two million, one hundred forty-four thousand, two hundred forty-one".