2105031324400 has 30 divisors (see below), whose sum is σ = 5057337757832. Its totient is φ = 842012529600.

The previous prime is 2105031324397. The next prime is 2105031324469. The reversal of 2105031324400 is 44231305012.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2631288756 + ... + 2631289555.

Almost surely, 2^{2105031324400} is an apocalyptic number.

2105031324400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105031324400 is an abundant number, since it is smaller than the sum of its proper divisors (2952306433432).

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

2105031324400 is a wasteful number, since it uses less digits than its factorization.

2105031324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262578329 (or 5262578318 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 2105031324400 its reverse (44231305012), we get a palindrome (2149262629412).

The spelling of 2105031324400 in words is "two trillion, one hundred five billion, thirty-one million, three hundred twenty-four thousand, four hundred".