2043131242100 has 72 divisors (see below), whose sum is σ = 4903685003448. Its totient is φ = 733998067200.

The previous prime is 2043131242091. The next prime is 2043131242109. The reversal of 2043131242100 is 12421313402.

It is an interprime number because it is at equal distance from previous prime (2043131242091) and next prime (2043131242109).

It can be written as a sum of positive squares in 12 ways, for example, as 433221974416 + 1609909267684 = 658196^2 + 1268822^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043131242109) 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, 21190271 + ... + 21286470.

It is an arithmetic number, because the mean of its divisors is an integer number (68106736159).

Almost surely, 2^{2043131242100} is an apocalyptic number.

2043131242100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043131242100 is an abundant number, since it is smaller than the sum of its proper divisors (2860553761348).

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

2043131242100 is a wasteful number, since it uses less digits than its factorization.

2043131242100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42476805 (or 42476798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2043131242100 its reverse (12421313402), we get a palindrome (2055552555502).

The spelling of 2043131242100 in words is "two trillion, forty-three billion, one hundred thirty-one million, two hundred forty-two thousand, one hundred".