1313232231100 has 72 divisors (see below), whose sum is σ = 2910733076160. Its totient is φ = 514048101120.

The previous prime is 1313232231061. The next prime is 1313232231109. The reversal of 1313232231100 is 11322323131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313232231109) 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, 49228566 + ... + 49255234.

It is an arithmetic number, because the mean of its divisors is an integer number (40426848280).

Almost surely, 2^{1313232231100} is an apocalyptic number.

1313232231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313232231100 is an abundant number, since it is smaller than the sum of its proper divisors (1597500845060).

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

1313232231100 is a wasteful number, since it uses less digits than its factorization.

1313232231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37207 (or 37200 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1313232231100 its reverse (11322323131), we get a palindrome (1324554554231).

The spelling of 1313232231100 in words is "one trillion, three hundred thirteen billion, two hundred thirty-two million, two hundred thirty-one thousand, one hundred".