31200105214340 has 96 divisors (see below), whose sum is σ = 66927753978624. Its totient is φ = 12215507558400.

The previous prime is 31200105214297. The next prime is 31200105214373. The reversal of 31200105214340 is 4341250100213.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 66262784 + ... + 66731976.

It is an arithmetic number, because the mean of its divisors is an integer number (697164103944).

Almost surely, 2^{31200105214340} is an apocalyptic number.

It is an amenable number.

31200105214340 is an abundant number, since it is smaller than the sum of its proper divisors (35727648764284).

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

31200105214340 is a wasteful number, since it uses less digits than its factorization.

31200105214340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469677 (or 469675 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 31200105214340 its reverse (4341250100213), we get a palindrome (35541355314553).

The spelling of 31200105214340 in words is "thirty-one trillion, two hundred billion, one hundred five million, two hundred fourteen thousand, three hundred forty".