2231101602 has 48 divisors (see below), whose sum is σ = 5019651000. Its totient is φ = 715341312.

The previous prime is 2231101577. The next prime is 2231101627. The reversal of 2231101602 is 2061011322.

2231101602 is a `hidden beast` number, since 22 + 31 + 10 + 1 + 602 = 666.

2231101602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2231101577) and next prime (2231101627).

It can be written as a sum of positive squares in 4 ways, for example, as 1099519281 + 1131582321 = 33159^2 + 33639^2 .

It is a super-3 number, since 3×2231101602³ (a number of 29 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132474 + ... + 148362.

Almost surely, 2^2231101602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231101602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509825500).

2231101602 is an abundant number, since it is smaller than the sum of its proper divisors (2788549398).

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

2231101602 is a wasteful number, since it uses less digits than its factorization.

2231101602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16195 (or 16192 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2231101602 is about 47234.5382321030. The cubic root of 2231101602 is about 1306.6916503825.

Adding to 2231101602 its reverse (2061011322), we get a palindrome (4292112924).

The spelling of 2231101602 in words is "two billion, two hundred thirty-one million, one hundred one thousand, six hundred two".