1323312313100 has 18 divisors (see below), whose sum is σ = 2871587719644. Its totient is φ = 529324925200.

The previous prime is 1323312313079. The next prime is 1323312313123. The reversal of 1323312313100 is 13132133231.

It is a super-2 number, since 2×1323312313100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6616561466 + ... + 6616561665.

Almost surely, 2^{1323312313100} is an apocalyptic number.

1323312313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323312313100 is an abundant number, since it is smaller than the sum of its proper divisors (1548275406544).

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

1323312313100 is a wasteful number, since it uses less digits than its factorization.

1323312313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13233123145 (or 13233123138 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1323312313100 its reverse (13132133231), we get a palindrome (1336444446331).

The spelling of 1323312313100 in words is "one trillion, three hundred twenty-three billion, three hundred twelve million, three hundred thirteen thousand, one hundred".