31214444141321 has 4 divisors (see below), whose sum is σ = 35673650447232. Its totient is φ = 26755237835412.

The previous prime is 31214444141297. The next prime is 31214444141327. The reversal of 31214444141321 is 12314144441213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31214444141321 - 2²⁶ = 31214377032457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31214444141327) 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, 2229603152945 + ... + 2229603152958.

It is an arithmetic number, because the mean of its divisors is an integer number (8918412611808).

Almost surely, 2^{31214444141321} is an apocalyptic number.

It is an amenable number.

31214444141321 is a deficient number, since it is larger than the sum of its proper divisors (4459206305911).

31214444141321 is an equidigital number, since it uses as much as digits as its factorization.

31214444141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459206305910.

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

Adding to 31214444141321 its reverse (12314144441213), we get a palindrome (43528588582534).

The spelling of 31214444141321 in words is "thirty-one trillion, two hundred fourteen billion, four hundred forty-four million, one hundred forty-one thousand, three hundred twenty-one".