2231636152 has 16 divisors (see below), whose sum is σ = 4187035440. Its totient is φ = 1115093376.

The previous prime is 2231636149. The next prime is 2231636219. The reversal of 2231636152 is 2516361322.

It is a happy number.

It is a super-3 number, since 3×2231636152³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77388 + ... + 102235.

It is an arithmetic number, because the mean of its divisors is an integer number (261689715).

Almost surely, 2^2231636152 is an apocalyptic number.

It is an amenable number.

2231636152 is a deficient number, since it is larger than the sum of its proper divisors (1955399288).

2231636152 is a wasteful number, since it uses less digits than its factorization.

2231636152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181182 (or 181178 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 2231636152 is about 47240.1963586097. The cubic root of 2231636152 is about 1306.7959988718.

Adding to 2231636152 its reverse (2516361322), we get a palindrome (4747997474).

The spelling of 2231636152 in words is "two billion, two hundred thirty-one million, six hundred thirty-six thousand, one hundred fifty-two".