101223031208 has 32 divisors (see below), whose sum is σ = 211440688200. Its totient is φ = 45107344128.

The previous prime is 101223031207. The next prime is 101223031213. The reversal of 101223031208 is 802130322101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84145246084 + 17077785124 = 290078^2 + 130682^2 .

It is a super-2 number, since 2×101223031208² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101223031207) 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, 16777991 + ... + 16784022.

Almost surely, 2^101223031208 is an apocalyptic number.

It is an amenable number.

101223031208 is an abundant number, since it is smaller than the sum of its proper divisors (110217656992).

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

101223031208 is a wasteful number, since it uses less digits than its factorization.

101223031208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33562061 (or 33562057 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 101223031208 its reverse (802130322101), we get a palindrome (903353353309).

The spelling of 101223031208 in words is "one hundred one billion, two hundred twenty-three million, thirty-one thousand, two hundred eight".