31343233434311 has 8 divisors (see below), whose sum is σ = 33893058432960. Its totient is φ = 28871864589568.

The previous prime is 31343233434269. The next prime is 31343233434341. The reversal of 31343233434311 is 11343433234313.

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 31343233434311 - 2¹⁰ = 31343233433287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343233434341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19614037646 + ... + 19614039243.

It is an arithmetic number, because the mean of its divisors is an integer number (4236632304120).

Almost surely, 2^{31343233434311} is an apocalyptic number.

31343233434311 is a deficient number, since it is larger than the sum of its proper divisors (2549824998649).

31343233434311 is a wasteful number, since it uses less digits than its factorization.

31343233434311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39228076953.

The product of its digits is 279936, while the sum is 38.

Adding to 31343233434311 its reverse (11343433234313), we get a palindrome (42686666668624).

The spelling of 31343233434311 in words is "thirty-one trillion, three hundred forty-three billion, two hundred thirty-three million, four hundred thirty-four thousand, three hundred eleven".