31332422420443 has 4 divisors (see below), whose sum is σ = 31363170627960. Its totient is φ = 31301674212928.

The previous prime is 31332422420441. The next prime is 31332422420461. The reversal of 31332422420443 is 34402422423313.

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

It is a cyclic number.

It is not a de Polignac number, because 31332422420443 - 2¹ = 31332422420441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31332422420441) 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, 15374102230 + ... + 15374104267.

It is an arithmetic number, because the mean of its divisors is an integer number (7840792656990).

Almost surely, 2^{31332422420443} is an apocalyptic number.

31332422420443 is a deficient number, since it is larger than the sum of its proper divisors (30748207517).

31332422420443 is a wasteful number, since it uses less digits than its factorization.

31332422420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30748207516.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 31332422420443 its reverse (34402422423313), we get a palindrome (65734844843756).

The spelling of 31332422420443 in words is "thirty-one trillion, three hundred thirty-two billion, four hundred twenty-two million, four hundred twenty thousand, four hundred forty-three".