215034303100 has 144 divisors (see below), whose sum is σ = 504160231680. Its totient is φ = 79341811200.

The previous prime is 215034303097. The next prime is 215034303109. The reversal of 215034303100 is 1303430512.

It is a super-2 number, since 2×215034303100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215034303109) 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, 43855249 + ... + 43860151.

It is an arithmetic number, because the mean of its divisors is an integer number (3501112720).

Almost surely, 2^215034303100 is an apocalyptic number.

215034303100 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 215034303100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252080115840).

215034303100 is an abundant number, since it is smaller than the sum of its proper divisors (289125928580).

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

215034303100 is a wasteful number, since it uses less digits than its factorization.

215034303100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 215034303100 its reverse (1303430512), we get a palindrome (216337733612).

The spelling of 215034303100 in words is "two hundred fifteen billion, thirty-four million, three hundred three thousand, one hundred".