31441143412421 has 8 divisors (see below), whose sum is σ = 32640251242080. Its totient is φ = 30249697614192.

The previous prime is 31441143412339. The next prime is 31441143412457. The reversal of 31441143412421 is 12421434114413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31441143412421 - 2¹⁰ = 31441143411397 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 (31441143472421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915499495 + ... + 1915515908.

It is an arithmetic number, because the mean of its divisors is an integer number (4080031405260).

Almost surely, 2^{31441143412421} is an apocalyptic number.

It is an amenable number.

31441143412421 is a deficient number, since it is larger than the sum of its proper divisors (1199107829659).

31441143412421 is a wasteful number, since it uses less digits than its factorization.

31441143412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831015715.

The product of its digits is 36864, while the sum is 35.

Adding to 31441143412421 its reverse (12421434114413), we get a palindrome (43862577526834).

The spelling of 31441143412421 in words is "thirty-one trillion, four hundred forty-one billion, one hundred forty-three million, four hundred twelve thousand, four hundred twenty-one".