1310311120203 has 8 divisors (see below), whose sum is σ = 1941201659600. Its totient is φ = 873540746784.

The previous prime is 1310311120201. The next prime is 1310311120229. The reversal of 1310311120203 is 3020211130131.

1310311120203 is a `hidden beast` number, since 1 + 31 + 0 + 311 + 120 + 203 = 666.

It is not a de Polignac number, because 1310311120203 - 2¹ = 1310311120201 is a prime.

It is a super-2 number, since 2×1310311120203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310311120201) 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 7 ways as a sum of consecutive naturals, for example, 24265020718 + ... + 24265020771.

It is an arithmetic number, because the mean of its divisors is an integer number (242650207450).

Almost surely, 2^{1310311120203} is an apocalyptic number.

1310311120203 is a deficient number, since it is larger than the sum of its proper divisors (630890539397).

1310311120203 is an equidigital number, since it uses as much as digits as its factorization.

1310311120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48530041498 (or 48530041492 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1310311120203 its reverse (3020211130131), we get a palindrome (4330522250334).

The spelling of 1310311120203 in words is "one trillion, three hundred ten billion, three hundred eleven million, one hundred twenty thousand, two hundred three".