1312131003200 has 336 divisors, whose sum is σ = 3355204628160. Its totient is φ = 504711168000.

The previous prime is 1312131003191. The next prime is 1312131003233. The reversal of 1312131003200 is 23001312131.

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, 1538253974 + ... + 1538254826.

It is an arithmetic number, because the mean of its divisors is an integer number (9985728060).

Almost surely, 2^{1312131003200} is an apocalyptic number.

1312131003200 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 1312131003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677602314080).

1312131003200 is an abundant number, since it is smaller than the sum of its proper divisors (2043073624960).

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

1312131003200 is a wasteful number, since it uses less digits than its factorization.

1312131003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1312131003200 its reverse (23001312131), we get a palindrome (1335132315331).

The spelling of 1312131003200 in words is "one trillion, three hundred twelve billion, one hundred thirty-one million, three thousand, two hundred".