1031310211013 has 4 divisors (see below), whose sum is σ = 1064578282368. Its totient is φ = 998042139660.

The previous prime is 1031310210989. The next prime is 1031310211037. The reversal of 1031310211013 is 3101120131301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1031310210989) and next prime (1031310211037).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031310211013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031310210982 and 1031310211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031310211213) 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, 16634035631 + ... + 16634035692.

It is an arithmetic number, because the mean of its divisors is an integer number (266144570592).

Almost surely, 2^{1031310211013} is an apocalyptic number.

It is an amenable number.

1031310211013 is a deficient number, since it is larger than the sum of its proper divisors (33268071355).

1031310211013 is an equidigital number, since it uses as much as digits as its factorization.

1031310211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33268071354.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1031310211013 its reverse (3101120131301), we get a palindrome (4132430342314).

The spelling of 1031310211013 in words is "one trillion, thirty-one billion, three hundred ten million, two hundred eleven thousand, thirteen".