231630146514 has 24 divisors (see below), whose sum is σ = 540470342412. Its totient is φ = 71270814240.

The previous prime is 231630146471. The next prime is 231630146543. The reversal of 231630146514 is 415641036132.

231630146514 is a `hidden beast` number, since 2 + 3 + 1 + 630 + 1 + 4 + 6 + 5 + 14 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 200719232289 + 30910914225 = 448017^2 + 175815^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494935977 + ... + 494936444.

Almost surely, 2^231630146514 is an apocalyptic number.

231630146514 is an abundant number, since it is smaller than the sum of its proper divisors (308840195898).

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

231630146514 is a wasteful number, since it uses less digits than its factorization.

231630146514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989872442 (or 989872439 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 231630146514 in words is "two hundred thirty-one billion, six hundred thirty million, one hundred forty-six thousand, five hundred fourteen".