31434204106 has 4 divisors (see below), whose sum is σ = 47151306162. Its totient is φ = 15717102052.

The previous prime is 31434204097. The next prime is 31434204107. The reversal of 31434204106 is 60140243413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60140243413 = 29 ⋅2073801497.

It can be written as a sum of positive squares in only one way, i.e., 30270780225 + 1163423881 = 173985^2 + 34109^2 .

It is not an unprimeable number, because it can be changed into a prime (31434204107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7858551025 + ... + 7858551028.

Almost surely, 2^31434204106 is an apocalyptic number.

31434204106 is a deficient number, since it is larger than the sum of its proper divisors (15717102056).

31434204106 is a wasteful number, since it uses less digits than its factorization.

31434204106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15717102055.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31434204106 its reverse (60140243413), we get a palindrome (91574447519).

The spelling of 31434204106 in words is "thirty-one billion, four hundred thirty-four million, two hundred four thousand, one hundred six".