1310003031311 has 4 divisors (see below), whose sum is σ = 1410772495272. Its totient is φ = 1209233567352.

The previous prime is 1310003031299. The next prime is 1310003031317. The reversal of 1310003031311 is 1131303000131.

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 1310003031311 - 2²⁶ = 1309935922447 is a prime.

It is a super-2 number, since 2×1310003031311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310003031311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310003031317) 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, 50384731961 + ... + 50384731986.

It is an arithmetic number, because the mean of its divisors is an integer number (352693123818).

Almost surely, 2^{1310003031311} is an apocalyptic number.

1310003031311 is a deficient number, since it is larger than the sum of its proper divisors (100769463961).

1310003031311 is a wasteful number, since it uses less digits than its factorization.

1310003031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100769463960.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1310003031311 its reverse (1131303000131), we get a palindrome (2441306031442).

The spelling of 1310003031311 in words is "one trillion, three hundred ten billion, three million, thirty-one thousand, three hundred eleven".