1310031011223 has 24 divisors (see below), whose sum is σ = 2185720192656. Its totient is φ = 747254764800.

The previous prime is 1310031011209. The next prime is 1310031011231. The reversal of 1310031011223 is 3221101300131.

1310031011223 is a `hidden beast` number, since 131 + 0 + 0 + 310 + 1 + 1 + 223 = 666.

It is not a de Polignac number, because 1310031011223 - 2¹² = 1310031007127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310031011196 and 1310031011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310031011293) 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 23 ways as a sum of consecutive naturals, for example, 389193508 + ... + 389196873.

It is an arithmetic number, because the mean of its divisors is an integer number (91071674694).

Almost surely, 2^{1310031011223} is an apocalyptic number.

1310031011223 is a deficient number, since it is larger than the sum of its proper divisors (875689181433).

1310031011223 is a wasteful number, since it uses less digits than its factorization.

1310031011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778390415 (or 778390412 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1310031011223 its reverse (3221101300131), we get a palindrome (4531132311354).

The spelling of 1310031011223 in words is "one trillion, three hundred ten billion, thirty-one million, eleven thousand, two hundred twenty-three".