1310002021223 has 12 divisors (see below), whose sum is σ = 1524267980640. Its totient is φ = 1122572922912.

The previous prime is 1310002021193. The next prime is 1310002021249. The reversal of 1310002021223 is 3221202000131.

It is a de Polignac number, because none of the positive numbers 2^k-1310002021223 is a prime.

It is a super-2 number, since 2×1310002021223² (a number of 25 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 (1310002021253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3209711 + ... + 3594752.

It is an arithmetic number, because the mean of its divisors is an integer number (127022331720).

Almost surely, 2^{1310002021223} is an apocalyptic number.

1310002021223 is a deficient number, since it is larger than the sum of its proper divisors (214265959417).

1310002021223 is an equidigital number, since it uses as much as digits as its factorization.

1310002021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808406 (or 6808399 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1310002021223 its reverse (3221202000131), we get a palindrome (4531204021354).

The spelling of 1310002021223 in words is "one trillion, three hundred ten billion, two million, twenty-one thousand, two hundred twenty-three".