1311301003031 has 4 divisors (see below), whose sum is σ = 1312326259200. Its totient is φ = 1310275746864.

The previous prime is 1311301003021. The next prime is 1311301003037. The reversal of 1311301003031 is 1303001031131.

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 1311301003031 - 2¹⁴ = 1311300986647 is a prime.

It is a super-2 number, since 2×1311301003031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311301003037) 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, 512626166 + ... + 512628723.

It is an arithmetic number, because the mean of its divisors is an integer number (328081564800).

Almost surely, 2^{1311301003031} is an apocalyptic number.

1311301003031 is a deficient number, since it is larger than the sum of its proper divisors (1025256169).

1311301003031 is a wasteful number, since it uses less digits than its factorization.

1311301003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025256168.

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

Adding to 1311301003031 its reverse (1303001031131), we get a palindrome (2614302034162).

The spelling of 1311301003031 in words is "one trillion, three hundred eleven billion, three hundred one million, three thousand, thirty-one".