31444422043 has 4 divisors (see below), whose sum is σ = 32211359208. Its totient is φ = 30677484880.

The previous prime is 31444422007. The next prime is 31444422049. The reversal of 31444422043 is 34022444413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34022444413 = 1621 ⋅20988553.

It is a cyclic number.

It is not a de Polignac number, because 31444422043 - 2¹⁷ = 31444290971 is a prime.

It is a super-3 number, since 3×31444422043³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31444421996 and 31444422014.

It is not an unprimeable number, because it can be changed into a prime (31444422049) 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, 383468521 + ... + 383468602.

It is an arithmetic number, because the mean of its divisors is an integer number (8052839802).

Almost surely, 2^31444422043 is an apocalyptic number.

31444422043 is a deficient number, since it is larger than the sum of its proper divisors (766937165).

31444422043 is an equidigital number, since it uses as much as digits as its factorization.

31444422043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766937164.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 31444422043 its reverse (34022444413), we get a palindrome (65466866456).

The spelling of 31444422043 in words is "thirty-one billion, four hundred forty-four million, four hundred twenty-two thousand, forty-three".