31104106 has 16 divisors (see below), whose sum is σ = 51617088. Its totient is φ = 13938400.

The previous prime is 31104079. The next prime is 31104107. The reversal of 31104106 is 60140113.

It is a self number, because there is not a number n which added to its sum of digits gives 31104106.

It is not an unprimeable number, because it can be changed into a prime (31104107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8395 + ... + 11518.

It is an arithmetic number, because the mean of its divisors is an integer number (3226068).

Almost surely, 2^31104106 is an apocalyptic number.

31104106 is a deficient number, since it is larger than the sum of its proper divisors (20512982).

31104106 is a wasteful number, since it uses less digits than its factorization.

31104106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 31104106 is about 5577.1055216842. The cubic root of 31104106 is about 314.4893245559.

Adding to 31104106 its reverse (60140113), we get a palindrome (91244219).

The spelling of 31104106 in words is "thirty-one million, one hundred four thousand, one hundred six".