31344051306 has 16 divisors (see below), whose sum is σ = 62698508064. Its totient is φ = 10446282864.

The previous prime is 31344051301. The next prime is 31344051329. The reversal of 31344051306 is 60315044313.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31344051301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394125 + ... + 466928.

It is an arithmetic number, because the mean of its divisors is an integer number (3918656754).

Almost surely, 2^31344051306 is an apocalyptic number.

31344051306 is an abundant number, since it is smaller than the sum of its proper divisors (31354456758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31344051306 is a wasteful number, since it uses less digits than its factorization.

31344051306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867125.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 31344051306 its reverse (60315044313), we get a palindrome (91659095619).

The spelling of 31344051306 in words is "thirty-one billion, three hundred forty-four million, fifty-one thousand, three hundred six".