31325242321406 has 16 divisors (see below), whose sum is σ = 52099806903408. Its totient is φ = 14005324435200.

The previous prime is 31325242321393. The next prime is 31325242321411. The reversal of 31325242321406 is 60412324252313.

It is a self number, because there is not a number n which added to its sum of digits gives 31325242321406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11671102355 + ... + 11671105038.

It is an arithmetic number, because the mean of its divisors is an integer number (3256237931463).

Almost surely, 2^{31325242321406} is an apocalyptic number.

31325242321406 is a deficient number, since it is larger than the sum of its proper divisors (20774564582002).

31325242321406 is a wasteful number, since it uses less digits than its factorization.

31325242321406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23342207467.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 31325242321406 its reverse (60412324252313), we get a palindrome (91737566573719).

The spelling of 31325242321406 in words is "thirty-one trillion, three hundred twenty-five billion, two hundred forty-two million, three hundred twenty-one thousand, four hundred six".