31100023312223 has 4 divisors (see below), whose sum is σ = 31102360091880. Its totient is φ = 31097686532568.

The previous prime is 31100023312133. The next prime is 31100023312297. The reversal of 31100023312223 is 32221332000113.

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

It is a cyclic number.

It is not a de Polignac number, because 31100023312223 - 2¹⁴ = 31100023295839 is a prime.

It is a super-2 number, since 2×31100023312223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31100023314223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168369865 + ... + 1168396482.

It is an arithmetic number, because the mean of its divisors is an integer number (7775590022970).

Almost surely, 2^{31100023312223} is an apocalyptic number.

31100023312223 is a deficient number, since it is larger than the sum of its proper divisors (2336779657).

31100023312223 is a wasteful number, since it uses less digits than its factorization.

31100023312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336779656.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31100023312223 its reverse (32221332000113), we get a palindrome (63321355312336).

The spelling of 31100023312223 in words is "thirty-one trillion, one hundred billion, twenty-three million, three hundred twelve thousand, two hundred twenty-three".