31144252143343 has 8 divisors (see below), whose sum is σ = 32205489688368. Its totient is φ = 30100555714944.

The previous prime is 31144252143313. The next prime is 31144252143353. The reversal of 31144252143343 is 34334125244113.

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 31144252143343 - 2⁵ = 31144252143311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31144252143296 and 31144252143305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31144252143313) 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, 4385275546 + ... + 4385282647.

It is an arithmetic number, because the mean of its divisors is an integer number (4025686211046).

Almost surely, 2^{31144252143343} is an apocalyptic number.

31144252143343 is a deficient number, since it is larger than the sum of its proper divisors (1061237545025).

31144252143343 is an equidigital number, since it uses as much as digits as its factorization.

31144252143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8770558313.

The product of its digits is 414720, while the sum is 40.

Adding to 31144252143343 its reverse (34334125244113), we get a palindrome (65478377387456).

The spelling of 31144252143343 in words is "thirty-one trillion, one hundred forty-four billion, two hundred fifty-two million, one hundred forty-three thousand, three hundred forty-three".