231127612 has 12 divisors (see below), whose sum is σ = 406210896. Its totient is φ = 115067360.

The previous prime is 231127607. The next prime is 231127613. The reversal of 231127612 is 216721132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231127613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123064 + ... + 124927.

It is an arithmetic number, because the mean of its divisors is an integer number (33850908).

Almost surely, 2^231127612 is an apocalyptic number.

It is an amenable number.

231127612 is a deficient number, since it is larger than the sum of its proper divisors (175083284).

231127612 is a wasteful number, since it uses less digits than its factorization.

231127612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248228 (or 248226 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 231127612 is about 15202.8817005198. The cubic root of 231127612 is about 613.6922102871.

Adding to 231127612 its reverse (216721132), we get a palindrome (447848744).

The spelling of 231127612 in words is "two hundred thirty-one million, one hundred twenty-seven thousand, six hundred twelve".