1310323404231 has 20 divisors (see below), whose sum is σ = 1979389922400. Its totient is φ = 863733774816.

The previous prime is 1310323404199. The next prime is 1310323404263. The reversal of 1310323404231 is 1324043230131.

It is a happy number.

1310323404231 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 3 + 23 + 404 + 231 = 666.

It is an interprime number because it is at equal distance from previous prime (1310323404199) and next prime (1310323404263).

It is not a de Polignac number, because 1310323404231 - 2⁵ = 1310323404199 is a prime.

It is a super-2 number, since 2×1310323404231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1310323404195 and 1310323404204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310323404031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90873871 + ... + 90888288.

It is an arithmetic number, because the mean of its divisors is an integer number (98969496120).

Almost surely, 2^{1310323404231} is an apocalyptic number.

1310323404231 is a deficient number, since it is larger than the sum of its proper divisors (669066518169).

1310323404231 is an equidigital number, since it uses as much as digits as its factorization.

1310323404231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181762260 (or 181762251 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1310323404231 its reverse (1324043230131), we get a palindrome (2634366634362).

The spelling of 1310323404231 in words is "one trillion, three hundred ten billion, three hundred twenty-three million, four hundred four thousand, two hundred thirty-one".