31224031342141 has 16 divisors (see below), whose sum is σ = 35855801049600. Its totient is φ = 26891169706800.

The previous prime is 31224031342081. The next prime is 31224031342169. The reversal of 31224031342141 is 14124313042213.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31224031342141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31224031340141) 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, 16352680 + ... + 18161998.

It is an arithmetic number, because the mean of its divisors is an integer number (2240987565600).

Almost surely, 2^{31224031342141} is an apocalyptic number.

It is an amenable number.

31224031342141 is a deficient number, since it is larger than the sum of its proper divisors (4631769707459).

31224031342141 is a wasteful number, since it uses less digits than its factorization.

31224031342141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891920.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31224031342141 its reverse (14124313042213), we get a palindrome (45348344384354).

The spelling of 31224031342141 in words is "thirty-one trillion, two hundred twenty-four billion, thirty-one million, three hundred forty-two thousand, one hundred forty-one".