1310020031103 has 16 divisors (see below), whose sum is σ = 1996614351360. Its totient is φ = 748435368096.

The previous prime is 1310020031083. The next prime is 1310020031143. The reversal of 1310020031103 is 3011300200131.

It is not a de Polignac number, because 1310020031103 - 2¹⁰ = 1310020030079 is a prime.

It is a super-2 number, since 2×1310020031103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310020031143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6036963 + ... + 6250196.

It is an arithmetic number, because the mean of its divisors is an integer number (124788396960).

Almost surely, 2^{1310020031103} is an apocalyptic number.

1310020031103 is a deficient number, since it is larger than the sum of its proper divisors (686594320257).

1310020031103 is a wasteful number, since it uses less digits than its factorization.

1310020031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12292246.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1310020031103 its reverse (3011300200131), we get a palindrome (4321320231234).

The spelling of 1310020031103 in words is "one trillion, three hundred ten billion, twenty million, thirty-one thousand, one hundred three".