31342412205 has 192 divisors, whose sum is σ = 61993451520. Its totient is φ = 14543193600.

The previous prime is 31342412197. The next prime is 31342412207. The reversal of 31342412205 is 50221424313.

31342412205 is a `hidden beast` number, since 3 + 1 + 3 + 42 + 412 + 205 = 666.

It is not a de Polignac number, because 31342412205 - 2³ = 31342412197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342412207) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 187679032 + ... + 187679198.

It is an arithmetic number, because the mean of its divisors is an integer number (322882560).

Almost surely, 2^31342412205 is an apocalyptic number.

It is an amenable number.

31342412205 is a deficient number, since it is larger than the sum of its proper divisors (30651039315).

31342412205 is a wasteful number, since it uses less digits than its factorization.

31342412205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 31342412205 its reverse (50221424313), we get a palindrome (81563836518).

The spelling of 31342412205 in words is "thirty-one billion, three hundred forty-two million, four hundred twelve thousand, two hundred five".