11313131302 has 32 divisors (see below), whose sum is σ = 19605659904. Its totient is φ = 4845324000.

The previous prime is 11313131299. The next prime is 11313131303. The reversal of 11313131302 is 20313131311.

It is a self number, because there is not a number n which added to its sum of digits gives 11313131302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313131303) 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, 132949 + ... + 200752.

It is an arithmetic number, because the mean of its divisors is an integer number (612676872).

Almost surely, 2^11313131302 is an apocalyptic number.

11313131302 is a deficient number, since it is larger than the sum of its proper divisors (8292528602).

11313131302 is a wasteful number, since it uses less digits than its factorization.

11313131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333804.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11313131302 its reverse (20313131311), we get a palindrome (31626262613).

Subtracting 11313131302 from its reverse (20313131311), we obtain a palindrome (9000000009).

It can be divided in two parts, 11 and 313131302, that added together give a palindrome (313131313).

The spelling of 11313131302 in words is "eleven billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred two".