31841323106 has 4 divisors (see below), whose sum is σ = 47761984662. Its totient is φ = 15920661552.

The previous prime is 31841323103. The next prime is 31841323121. The reversal of 31841323106 is 60132314813.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26232661225 + 5608661881 = 161965^2 + 74891^2 .

It is not an unprimeable number, because it can be changed into a prime (31841323103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7960330775 + ... + 7960330778.

Almost surely, 2^31841323106 is an apocalyptic number.

31841323106 is a deficient number, since it is larger than the sum of its proper divisors (15920661556).

31841323106 is a wasteful number, since it uses less digits than its factorization.

31841323106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920661555.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 31841323106 its reverse (60132314813), we get a palindrome (91973637919).

The spelling of 31841323106 in words is "thirty-one billion, eight hundred forty-one million, three hundred twenty-three thousand, one hundred six".