1213031313300 has 72 divisors (see below), whose sum is σ = 3551989595616. Its totient is φ = 319577720960.

The previous prime is 1213031313281. The next prime is 1213031313301. The reversal of 1213031313300 is 33131303121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213031313301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24333159 + ... + 24382958.

It is an arithmetic number, because the mean of its divisors is an integer number (49333188828).

Almost surely, 2^{1213031313300} is an apocalyptic number.

1213031313300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213031313300 is an abundant number, since it is smaller than the sum of its proper divisors (2338958282316).

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

1213031313300 is a wasteful number, since it uses less digits than its factorization.

1213031313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48716217 (or 48716210 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1213031313300 its reverse (33131303121), we get a palindrome (1246162616421).

The spelling of 1213031313300 in words is "one trillion, two hundred thirteen billion, thirty-one million, three hundred thirteen thousand, three hundred".