31343204331211 has 8 divisors (see below), whose sum is σ = 31406159501984. Its totient is φ = 31280311157760.

The previous prime is 31343204331151. The next prime is 31343204331217. The reversal of 31343204331211 is 11213340234313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31343204331211 - 2⁹ = 31343204330699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31343204331217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14487135 + ... + 16509496.

It is an arithmetic number, because the mean of its divisors is an integer number (3925769937748).

Almost surely, 2^{31343204331211} is an apocalyptic number.

31343204331211 is a deficient number, since it is larger than the sum of its proper divisors (62955170773).

31343204331211 is a wasteful number, since it uses less digits than its factorization.

31343204331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30998661.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31343204331211 its reverse (11213340234313), we get a palindrome (42556544565524).

The spelling of 31343204331211 in words is "thirty-one trillion, three hundred forty-three billion, two hundred four million, three hundred thirty-one thousand, two hundred eleven".