1313131020003 has 24 divisors (see below), whose sum is σ = 2069213445936. Its totient is φ = 795822638400.

The previous prime is 1313131020001. The next prime is 1313131020023. The reversal of 1313131020003 is 3000201313131.

It is a happy number.

It is not a de Polignac number, because 1313131020003 - 2¹ = 1313131020001 is a prime.

It is a super-2 number, since 2×1313131020003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313131020001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8590801 + ... + 8742317.

It is an arithmetic number, because the mean of its divisors is an integer number (86217226914).

Almost surely, 2^{1313131020003} is an apocalyptic number.

1313131020003 is a deficient number, since it is larger than the sum of its proper divisors (756082425933).

1313131020003 is a wasteful number, since it uses less digits than its factorization.

1313131020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239075 (or 239072 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1313131020003 its reverse (3000201313131), we get a palindrome (4313332333134).

The spelling of 1313131020003 in words is "one trillion, three hundred thirteen billion, one hundred thirty-one million, twenty thousand, three".