31300211223 has 12 divisors (see below), whose sum is σ = 46669849408. Its totient is φ = 20193684480.

The previous prime is 31300211197. The next prime is 31300211281. The reversal of 31300211223 is 32211200313.

It is not a de Polignac number, because 31300211223 - 2¹⁷ = 31300080151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31300211196 and 31300211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300211323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56093290 + ... + 56093847.

Almost surely, 2^31300211223 is an apocalyptic number.

31300211223 is a deficient number, since it is larger than the sum of its proper divisors (15369638185).

31300211223 is a wasteful number, since it uses less digits than its factorization.

31300211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112187174 (or 112187171 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31300211223 its reverse (32211200313), we get a palindrome (63511411536).

The spelling of 31300211223 in words is "thirty-one billion, three hundred million, two hundred eleven thousand, two hundred twenty-three".