2113021231320 has 64 divisors (see below), whose sum is σ = 6557652108000. Its totient is φ = 544042247168.

The previous prime is 2113021231309. The next prime is 2113021231327. The reversal of 2113021231320 is 231321203112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113021231327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303591525 + ... + 303598484.

Almost surely, 2^{2113021231320} is an apocalyptic number.

2113021231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113021231320 is an abundant number, since it is smaller than the sum of its proper divisors (4444630876680).

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

2113021231320 is a wasteful number, since it uses less digits than its factorization.

2113021231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607190052 (or 607190048 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2113021231320 its reverse (231321203112), we get a palindrome (2344342434432).

The spelling of 2113021231320 in words is "two trillion, one hundred thirteen billion, twenty-one million, two hundred thirty-one thousand, three hundred twenty".