1313322100 has 36 divisors (see below), whose sum is σ = 2877600544. Its totient is φ = 520224480.

The previous prime is 1313322053. The next prime is 1313322107. The reversal of 1313322100 is 12233131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313322107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53454 + ... + 74053.

Almost surely, 2^1313322100 is an apocalyptic number.

1313322100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313322100 is an abundant number, since it is smaller than the sum of its proper divisors (1564278444).

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

1313322100 is a wasteful number, since it uses less digits than its factorization.

1313322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127624 (or 127617 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313322100 is about 36239.7861472719. The cubic root of 1313322100 is about 1095.1083342563.

Adding to 1313322100 its reverse (12233131), we get a palindrome (1325555231).

The spelling of 1313322100 in words is "one billion, three hundred thirteen million, three hundred twenty-two thousand, one hundred".