31222343043 has 12 divisors (see below), whose sum is σ = 46147753080. Its totient is φ = 20330827776.

The previous prime is 31222343011. The next prime is 31222343059. The reversal of 31222343043 is 34034322213.

31222343043 is a `hidden beast` number, since 3 + 1 + 2 + 223 + 430 + 4 + 3 = 666.

It is not a de Polignac number, because 31222343043 - 2⁵ = 31222343011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31222342998 and 31222343016.

It is not an unprimeable number, because it can be changed into a prime (31222343003) 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 11 ways as a sum of consecutive naturals, for example, 40338558 + ... + 40339331.

It is an arithmetic number, because the mean of its divisors is an integer number (3845646090).

Almost surely, 2^31222343043 is an apocalyptic number.

31222343043 is a deficient number, since it is larger than the sum of its proper divisors (14925410037).

31222343043 is a wasteful number, since it uses less digits than its factorization.

31222343043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80677938 (or 80677935 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31222343043 its reverse (34034322213), we get a palindrome (65256665256).

The spelling of 31222343043 in words is "thirty-one billion, two hundred twenty-two million, three hundred forty-three thousand, forty-three".