1313020231203 has 64 divisors (see below), whose sum is σ = 1828130135040. Its totient is φ = 837795571200.

The previous prime is 1313020231189. The next prime is 1313020231219. The reversal of 1313020231203 is 3021320203131.

It is not a de Polignac number, because 1313020231203 - 2²⁴ = 1313003453987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313020231203.

It is not an unprimeable number, because it can be changed into a prime (1313020231283) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 392295976 + ... + 392299322.

It is an arithmetic number, because the mean of its divisors is an integer number (28564533360).

Almost surely, 2^{1313020231203} is an apocalyptic number.

1313020231203 is a deficient number, since it is larger than the sum of its proper divisors (515109903837).

1313020231203 is a wasteful number, since it uses less digits than its factorization.

1313020231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1313020231203 its reverse (3021320203131), we get a palindrome (4334340434334).

The spelling of 1313020231203 in words is "one trillion, three hundred thirteen billion, twenty million, two hundred thirty-one thousand, two hundred three".