102231010242 has 24 divisors (see below), whose sum is σ = 221720086380. Its totient is φ = 34043224320.

The previous prime is 102231010241. The next prime is 102231010243. The reversal of 102231010242 is 242010132201.

It is a happy number.

102231010242 is a `hidden beast` number, since 102 + 2 + 310 + 10 + 242 = 666.

It is an interprime number because it is at equal distance from previous prime (102231010241) and next prime (102231010243).

It can be written as a sum of positive squares in 2 ways, for example, as 101990170881 + 240839361 = 319359^2 + 15519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102231010241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2796259 + ... + 2832582.

Almost surely, 2^102231010242 is an apocalyptic number.

102231010242 is an abundant number, since it is smaller than the sum of its proper divisors (119489076138).

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

102231010242 is a wasteful number, since it uses less digits than its factorization.

102231010242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629858 (or 5629855 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102231010242 its reverse (242010132201), we get a palindrome (344241142443).

The spelling of 102231010242 in words is "one hundred two billion, two hundred thirty-one million, ten thousand, two hundred forty-two".