1313202231000 has 576 divisors, whose sum is σ = 4982816442240. Its totient is φ = 311566464000.

The previous prime is 1313202230999. The next prime is 1313202231007. The reversal of 1313202231000 is 1322023131.

1313202231000 is a `hidden beast` number, since 1 + 31 + 320 + 2 + 2 + 310 + 0 + 0 = 666.

It is a super-2 number, since 2×1313202231000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313202231007) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 51170172 + ... + 51195828.

It is an arithmetic number, because the mean of its divisors is an integer number (8650722990).

Almost surely, 2^{1313202231000} is an apocalyptic number.

1313202231000 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 1313202231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491408221120).

1313202231000 is an abundant number, since it is smaller than the sum of its proper divisors (3669614211240).

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

1313202231000 is a wasteful number, since it uses less digits than its factorization.

1313202231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25753 (or 25725 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1313202231000 its reverse (1322023131), we get a palindrome (1314524254131).

The spelling of 1313202231000 in words is "one trillion, three hundred thirteen billion, two hundred two million, two hundred thirty-one thousand".