31347412106 has 24 divisors (see below), whose sum is σ = 50003060940. Its totient is φ = 14735985152.

The previous prime is 31347412087. The next prime is 31347412111. The reversal of 31347412106 is 60121474313.

It can be written as a sum of positive squares in 6 ways, for example, as 19074095881 + 12273316225 = 138109^2 + 110785^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522380 + ... + 579288.

Almost surely, 2^31347412106 is an apocalyptic number.

31347412106 is a deficient number, since it is larger than the sum of its proper divisors (18655648834).

31347412106 is a wasteful number, since it uses less digits than its factorization.

31347412106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57898 (or 57881 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 31347412106 its reverse (60121474313), we get a palindrome (91468886419).

The spelling of 31347412106 in words is "thirty-one billion, three hundred forty-seven million, four hundred twelve thousand, one hundred six".