31122110043 has 12 divisors (see below), whose sum is σ = 45999605080. Its totient is φ = 20265559776.

The previous prime is 31122110021. The next prime is 31122110081. The reversal of 31122110043 is 34001122113.

It is not a de Polignac number, because 31122110043 - 2¹⁴ = 31122093659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31122109998 and 31122110025.

It is not an unprimeable number, because it can be changed into a prime (31122111043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40209058 + ... + 40209831.

Almost surely, 2^31122110043 is an apocalyptic number.

31122110043 is a deficient number, since it is larger than the sum of its proper divisors (14877495037).

31122110043 is a wasteful number, since it uses less digits than its factorization.

31122110043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80418938 (or 80418935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31122110043 its reverse (34001122113), we get a palindrome (65123232156).

The spelling of 31122110043 in words is "thirty-one billion, one hundred twenty-two million, one hundred ten thousand, forty-three".