1311130202320 has 40 divisors (see below), whose sum is σ = 3077973639936. Its totient is φ = 519360309888.

The previous prime is 1311130202309. The next prime is 1311130202321. The reversal of 1311130202320 is 232020311131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311130202321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79550632 + ... + 79567111.

Almost surely, 2^{1311130202320} is an apocalyptic number.

1311130202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311130202320 is an abundant number, since it is smaller than the sum of its proper divisors (1766843437616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311130202320 is a wasteful number, since it uses less digits than its factorization.

1311130202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159117859 (or 159117853 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1311130202320 its reverse (232020311131), we get a palindrome (1543150513451).

The spelling of 1311130202320 in words is "one trillion, three hundred eleven billion, one hundred thirty million, two hundred two thousand, three hundred twenty".