8100231700 has 72 divisors (see below), whose sum is σ = 19354948704. Its totient is φ = 2917968000.

The previous prime is 8100231631. The next prime is 8100231709. The reversal of 8100231700 is 71320018.

It is a super-2 number, since 2×8100231700² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8100231709) 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, 83290 + ... + 152110.

It is an arithmetic number, because the mean of its divisors is an integer number (268818732).

Almost surely, 2^8100231700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8100231700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9677474352).

8100231700 is an abundant number, since it is smaller than the sum of its proper divisors (11254717004).

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

8100231700 is a wasteful number, since it uses less digits than its factorization.

8100231700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68953 (or 68946 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 8100231700 is about 90001.2872130171. The cubic root of 8100231700 is about 2008.3179991521.

Adding to 8100231700 its reverse (71320018), we get a palindrome (8171551718).

The spelling of 8100231700 in words is "eight billion, one hundred million, two hundred thirty-one thousand, seven hundred".