231648712 has 32 divisors (see below), whose sum is σ = 455598720. Its totient is φ = 110289600.

The previous prime is 231648689. The next prime is 231648721. The reversal of 231648712 is 217846132.

It is a super-2 number, since 2×231648712² = 107322251542517888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5587 + ... + 22237.

It is an arithmetic number, because the mean of its divisors is an integer number (14237460).

Almost surely, 2^231648712 is an apocalyptic number.

It is an amenable number.

231648712 is a deficient number, since it is larger than the sum of its proper divisors (223950008).

231648712 is a wasteful number, since it uses less digits than its factorization.

231648712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16741 (or 16737 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 231648712 is about 15220.0102496680. The cubic root of 231648712 is about 614.1530739807.

The spelling of 231648712 in words is "two hundred thirty-one million, six hundred forty-eight thousand, seven hundred twelve".