31254121330241 has 16 divisors (see below), whose sum is σ = 32113205429760. Its totient is φ = 30399656286720.

The previous prime is 31254121330217. The next prime is 31254121330273. The reversal of 31254121330241 is 14203312145213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31254121330241 - 2²² = 31254117135937 is a prime.

It is a super-2 number, since 2×31254121330241² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31254121330198 and 31254121330207.

It is not an unprimeable number, because it can be changed into a prime (31254121332241) 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 in 15 ways as a sum of consecutive naturals, for example, 300702680 + ... + 300806598.

It is an arithmetic number, because the mean of its divisors is an integer number (2007075339360).

Almost surely, 2^{31254121330241} is an apocalyptic number.

It is an amenable number.

31254121330241 is a deficient number, since it is larger than the sum of its proper divisors (859084099519).

31254121330241 is a wasteful number, since it uses less digits than its factorization.

31254121330241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126064.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 31254121330241 its reverse (14203312145213), we get a palindrome (45457433475454).

The spelling of 31254121330241 in words is "thirty-one trillion, two hundred fifty-four billion, one hundred twenty-one million, three hundred thirty thousand, two hundred forty-one".