31342423242433 has 4 divisors (see below), whose sum is σ = 31349368166788. Its totient is φ = 31335478318080.

The previous prime is 31342423242407. The next prime is 31342423242451. The reversal of 31342423242433 is 33424232424313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7193376110209 + 24149047132224 = 2682047^2 + 4914168^2 .

It is a cyclic number.

It is not a de Polignac number, because 31342423242433 - 2⁵ = 31342423242401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31342423242133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3472455408 + ... + 3472464433.

It is an arithmetic number, because the mean of its divisors is an integer number (7837342041697).

Almost surely, 2^{31342423242433} is an apocalyptic number.

It is an amenable number.

31342423242433 is a deficient number, since it is larger than the sum of its proper divisors (6944924355).

31342423242433 is an equidigital number, since it uses as much as digits as its factorization.

31342423242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944924354.

The product of its digits is 995328, while the sum is 40.

Adding to 31342423242433 its reverse (33424232424313), we get a palindrome (64766655666746).

The spelling of 31342423242433 in words is "thirty-one trillion, three hundred forty-two billion, four hundred twenty-three million, two hundred forty-two thousand, four hundred thirty-three".