31040234112223 has 8 divisors (see below), whose sum is σ = 35581727150720. Its totient is φ = 26525534543640.

The previous prime is 31040234112211. The next prime is 31040234112271. The reversal of 31040234112223 is 32221143204013.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31040234112223 is a prime.

It is a super-2 number, since 2×31040234112223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31040234112191 and 31040234112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31040234112023) 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, 6698364993 + ... + 6698369626.

It is an arithmetic number, because the mean of its divisors is an integer number (4447715893840).

Almost surely, 2^{31040234112223} is an apocalyptic number.

31040234112223 is a deficient number, since it is larger than the sum of its proper divisors (4541493038497).

31040234112223 is a wasteful number, since it uses less digits than its factorization.

31040234112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13396734957.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31040234112223 its reverse (32221143204013), we get a palindrome (63261377316236).

The spelling of 31040234112223 in words is "thirty-one trillion, forty billion, two hundred thirty-four million, one hundred twelve thousand, two hundred twenty-three".