100231210 has 16 divisors (see below), whose sum is σ = 180530856. Its totient is φ = 40067008.

The previous prime is 100231207. The next prime is 100231211. The reversal of 100231210 is 12132001.

It can be written as a sum of positive squares in 4 ways, for example, as 69105969 + 31125241 = 8313^2 + 5579^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100231211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26604 + ... + 30136.

Almost surely, 2^100231210 is an apocalyptic number.

100231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100231210 is a deficient number, since it is larger than the sum of its proper divisors (80299646).

100231210 is a wasteful number, since it uses less digits than its factorization.

100231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100231210 is about 10011.5538254559. The cubic root of 100231210 is about 464.5163352659.

Adding to 100231210 its reverse (12132001), we get a palindrome (112363211).

The spelling of 100231210 in words is "one hundred million, two hundred thirty-one thousand, two hundred ten".