31010201112223 has 4 divisors (see below), whose sum is σ = 31010225793120. Its totient is φ = 31010176431328.

The previous prime is 31010201112211. The next prime is 31010201112263. The reversal of 31010201112223 is 32221110201013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31010201112223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31010201112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010201112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10348615 + ... + 13004392.

It is an arithmetic number, because the mean of its divisors is an integer number (7752556448280).

Almost surely, 2^{31010201112223} is an apocalyptic number.

31010201112223 is a deficient number, since it is larger than the sum of its proper divisors (24680897).

31010201112223 is a wasteful number, since it uses less digits than its factorization.

31010201112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24680896.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31010201112223 its reverse (32221110201013), we get a palindrome (63231311313236).

The spelling of 31010201112223 in words is "thirty-one trillion, ten billion, two hundred one million, one hundred twelve thousand, two hundred twenty-three".