153131212 has 12 divisors (see below), whose sum is σ = 288593536. Its totient is φ = 70675920.

The previous prime is 153131207. The next prime is 153131221. The reversal of 153131212 is 212131351.

It is a self number, because there is not a number n which added to its sum of digits gives 153131212.

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, 1472364 + ... + 1472467.

Almost surely, 2^153131212 is an apocalyptic number.

It is an amenable number.

153131212 is a deficient number, since it is larger than the sum of its proper divisors (135462324).

153131212 is a wasteful number, since it uses less digits than its factorization.

153131212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944848 (or 2944846 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 153131212 is about 12374.6196709232. The cubic root of 153131212 is about 535.0009747558. Note that the first 3 decimals are identical.

Adding to 153131212 its reverse (212131351), we get a palindrome (365262563).

The spelling of 153131212 in words is "one hundred fifty-three million, one hundred thirty-one thousand, two hundred twelve".