31044120343 has 4 divisors (see below), whose sum is σ = 31142051640. Its totient is φ = 30946189048.

The previous prime is 31044120271. The next prime is 31044120383. The reversal of 31044120343 is 34302144013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34302144013 = 311 ⋅110296283.

It is a cyclic number.

It is not a de Polignac number, because 31044120343 - 2²¹ = 31042023191 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 (31044120383) 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 3 ways as a sum of consecutive naturals, for example, 48965173 + ... + 48965806.

It is an arithmetic number, because the mean of its divisors is an integer number (7785512910).

Almost surely, 2^31044120343 is an apocalyptic number.

31044120343 is a deficient number, since it is larger than the sum of its proper divisors (97931297).

31044120343 is an equidigital number, since it uses as much as digits as its factorization.

31044120343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97931296.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31044120343 its reverse (34302144013), we get a palindrome (65346264356).

The spelling of 31044120343 in words is "thirty-one billion, forty-four million, one hundred twenty thousand, three hundred forty-three".