1310320223111 has 16 divisors (see below), whose sum is σ = 1461135801600. Its totient is φ = 1167761478528.

The previous prime is 1310320223099. The next prime is 1310320223117. The reversal of 1310320223111 is 1113220230131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1310320223111 - 2²² = 1310316028807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310320223117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336185 + ... + 1653378.

It is an arithmetic number, because the mean of its divisors is an integer number (91320987600).

Almost surely, 2^{1310320223111} is an apocalyptic number.

1310320223111 is a deficient number, since it is larger than the sum of its proper divisors (150815578489).

1310320223111 is a wasteful number, since it uses less digits than its factorization.

1310320223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991638.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1310320223111 its reverse (1113220230131), we get a palindrome (2423540453242).

The spelling of 1310320223111 in words is "one trillion, three hundred ten billion, three hundred twenty million, two hundred twenty-three thousand, one hundred eleven".