243102034100 has 144 divisors (see below), whose sum is σ = 574143252480. Its totient is φ = 89005910400.

The previous prime is 243102034099. The next prime is 243102034103. The reversal of 243102034100 is 1430201342.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243102034103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40225679 + ... + 40231721.

It is an arithmetic number, because the mean of its divisors is an integer number (3987105920).

Almost surely, 2^243102034100 is an apocalyptic number.

243102034100 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 243102034100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287071626240).

243102034100 is an abundant number, since it is smaller than the sum of its proper divisors (331041218380).

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

243102034100 is a wasteful number, since it uses less digits than its factorization.

243102034100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790 (or 6783 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243102034100 its reverse (1430201342), we get a palindrome (244532235442).

The spelling of 243102034100 in words is "two hundred forty-three billion, one hundred two million, thirty-four thousand, one hundred".