2131404123300 has 144 divisors (see below), whose sum is σ = 6300035438592. Its totient is φ = 556107984000.

The previous prime is 2131404123283. The next prime is 2131404123307. The reversal of 2131404123300 is 33214041312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2131404123307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48806475 + ... + 48850125.

Almost surely, 2^{2131404123300} is an apocalyptic number.

2131404123300 is a gapful number since it is divisible by the number (20) 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 2131404123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3150017719296).

2131404123300 is an abundant number, since it is smaller than the sum of its proper divisors (4168631315292).

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

2131404123300 is a wasteful number, since it uses less digits than its factorization.

2131404123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47178 (or 47171 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2131404123300 its reverse (33214041312), we get a palindrome (2164618164612).

The spelling of 2131404123300 in words is "two trillion, one hundred thirty-one billion, four hundred four million, one hundred twenty-three thousand, three hundred".