1310511504311 has 4 divisors (see below), whose sum is σ = 1367490265392. Its totient is φ = 1253532743232.

The previous prime is 1310511504257. The next prime is 1310511504349. The reversal of 1310511504311 is 1134051150131.

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 1310511504311 - 2³⁸ = 1035633597367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310511504361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28489380506 + ... + 28489380551.

It is an arithmetic number, because the mean of its divisors is an integer number (341872566348).

Almost surely, 2^{1310511504311} is an apocalyptic number.

1310511504311 is a deficient number, since it is larger than the sum of its proper divisors (56978761081).

1310511504311 is an equidigital number, since it uses as much as digits as its factorization.

1310511504311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56978761080.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 1310511504311 its reverse (1134051150131), we get a palindrome (2444562654442).

The spelling of 1310511504311 in words is "one trillion, three hundred ten billion, five hundred eleven million, five hundred four thousand, three hundred eleven".