31111034314343 has 32 divisors (see below), whose sum is σ = 33003801686016. Its totient is φ = 29267283944448.

The previous prime is 31111034314253. The next prime is 31111034314351. The reversal of 31111034314343 is 34341343011113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31111034314343 is a prime.

It is a super-2 number, since 2×31111034314343² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31111034314043) 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 31 ways as a sum of consecutive naturals, for example, 851802080 + ... + 851838602.

It is an arithmetic number, because the mean of its divisors is an integer number (1031368802688).

Almost surely, 2^{31111034314343} is an apocalyptic number.

31111034314343 is a deficient number, since it is larger than the sum of its proper divisors (1892767371673).

31111034314343 is a wasteful number, since it uses less digits than its factorization.

31111034314343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39023.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 31111034314343 its reverse (34341343011113), we get a palindrome (65452377325456).

The spelling of 31111034314343 in words is "thirty-one trillion, one hundred eleven billion, thirty-four million, three hundred fourteen thousand, three hundred forty-three".