1313132231100 has 144 divisors (see below), whose sum is σ = 4071667396608. Its totient is φ = 325891272960.

The previous prime is 1313132231093. The next prime is 1313132231141. The reversal of 1313132231100 is 11322313131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2316444 + ... + 2827043.

It is an arithmetic number, because the mean of its divisors is an integer number (28275468032).

Almost surely, 2^{1313132231100} is an apocalyptic number.

1313132231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313132231100 is an abundant number, since it is smaller than the sum of its proper divisors (2758535165508).

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

1313132231100 is a wasteful number, since it uses less digits than its factorization.

1313132231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143564 (or 5143557 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1313132231100 its reverse (11322313131), we get a palindrome (1324454544231).

The spelling of 1313132231100 in words is "one trillion, three hundred thirteen billion, one hundred thirty-two million, two hundred thirty-one thousand, one hundred".