31043122 has 16 divisors (see below), whose sum is σ = 53786592. Its totient is φ = 13280320.

The previous prime is 31043101. The next prime is 31043141. The reversal of 31043122 is 22134013.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31043096 and 31043105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41128 + ... + 41875.

It is an arithmetic number, because the mean of its divisors is an integer number (3361662).

Almost surely, 2^31043122 is an apocalyptic number.

31043122 is a deficient number, since it is larger than the sum of its proper divisors (22743470).

31043122 is a wasteful number, since it uses less digits than its factorization.

31043122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83033.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31043122 is about 5571.6354870002. The cubic root of 31043122 is about 314.2836564800.

Adding to 31043122 its reverse (22134013), we get a palindrome (53177135).

It can be divided in two parts, 3104 and 3122, that added together give a palindrome (6226).

The spelling of 31043122 in words is "thirty-one million, forty-three thousand, one hundred twenty-two".