1310221001223 has 32 divisors (see below), whose sum is σ = 1954527045120. Its totient is φ = 867427747200.

The previous prime is 1310221001179. The next prime is 1310221001231. The reversal of 1310221001223 is 3221001220131.

It is not a de Polignac number, because 1310221001223 - 2⁸ = 1310221000967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310221001196 and 1310221001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310221001263) 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 31 ways as a sum of consecutive naturals, for example, 13597711 + ... + 13693727.

It is an arithmetic number, because the mean of its divisors is an integer number (61078970160).

Almost surely, 2^{1310221001223} is an apocalyptic number.

1310221001223 is a deficient number, since it is larger than the sum of its proper divisors (644306043897).

1310221001223 is a wasteful number, since it uses less digits than its factorization.

1310221001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99524 (or 99518 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1310221001223 its reverse (3221001220131), we get a palindrome (4531222221354).

The spelling of 1310221001223 in words is "one trillion, three hundred ten billion, two hundred twenty-one million, one thousand, two hundred twenty-three".