2043010031100 has 72 divisors (see below), whose sum is σ = 5914353123840. Its totient is φ = 544503679680.

The previous prime is 2043010031089. The next prime is 2043010031107. The reversal of 2043010031100 is 11300103402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2043010031100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043010031107) 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, 1320910 + ... + 2414709.

Almost surely, 2^{2043010031100} is an apocalyptic number.

2043010031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043010031100 is an abundant number, since it is smaller than the sum of its proper divisors (3871343092740).

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

2043010031100 is a wasteful number, since it uses less digits than its factorization.

2043010031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737459 (or 3737452 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2043010031100 its reverse (11300103402), we get a palindrome (2054310134502).

The spelling of 2043010031100 in words is "two trillion, forty-three billion, ten million, thirty-one thousand, one hundred".