103210100240 has 80 divisors (see below), whose sum is σ = 258700452528. Its totient is φ = 38067314688.

The previous prime is 103210100221. The next prime is 103210100243. The reversal of 103210100240 is 42001012301.

It can be written as a sum of positive squares in 8 ways, for example, as 22753912336 + 80456187904 = 150844^2 + 283648^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (103210100243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921524 + ... + 1027436.

Almost surely, 2^103210100240 is an apocalyptic number.

103210100240 is a gapful number since it is divisible by the number (10) 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 103210100240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129350226264).

103210100240 is an abundant number, since it is smaller than the sum of its proper divisors (155490352288).

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

103210100240 is a wasteful number, since it uses less digits than its factorization.

103210100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106876 (or 106870 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 103210100240 its reverse (42001012301), we get a palindrome (145211112541).

The spelling of 103210100240 in words is "one hundred three billion, two hundred ten million, one hundred thousand, two hundred forty".