1310131223023 has 4 divisors (see below), whose sum is σ = 1497292826320. Its totient is φ = 1122969619728.

The previous prime is 1310131222987. The next prime is 1310131223029. The reversal of 1310131223023 is 3203221310131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310131223023 - 2¹³ = 1310131214831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310131222985 and 1310131223003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310131223029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93580801638 + ... + 93580801651.

It is an arithmetic number, because the mean of its divisors is an integer number (374323206580).

Almost surely, 2^{1310131223023} is an apocalyptic number.

1310131223023 is a deficient number, since it is larger than the sum of its proper divisors (187161603297).

1310131223023 is an equidigital number, since it uses as much as digits as its factorization.

1310131223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187161603296.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1310131223023 its reverse (3203221310131), we get a palindrome (4513352533154).

The spelling of 1310131223023 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, two hundred twenty-three thousand, twenty-three".