1325314023100 has 72 divisors (see below), whose sum is σ = 2895301563840. Its totient is φ = 526560910080.

The previous prime is 1325314023083. The next prime is 1325314023119. The reversal of 1325314023100 is 13204135231.

It is a happy number.

It is a super-2 number, since 2×1325314023100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18457869 + ... + 18529531.

It is an arithmetic number, because the mean of its divisors is an integer number (40212521720).

Almost surely, 2^{1325314023100} is an apocalyptic number.

1325314023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325314023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447650781920).

1325314023100 is an abundant number, since it is smaller than the sum of its proper divisors (1569987540740).

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

1325314023100 is a wasteful number, since it uses less digits than its factorization.

1325314023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72919 (or 72912 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1325314023100 its reverse (13204135231), we get a palindrome (1338518158331).

The spelling of 1325314023100 in words is "one trillion, three hundred twenty-five billion, three hundred fourteen million, twenty-three thousand, one hundred".