231616514 has 8 divisors (see below), whose sum is σ = 347785488. Its totient is φ = 115688020.

The previous prime is 231616507. The next prime is 231616523. The reversal of 231616514 is 415616132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57692 + ... + 61575.

It is an arithmetic number, because the mean of its divisors is an integer number (43473186).

Almost surely, 2^231616514 is an apocalyptic number.

231616514 is a deficient number, since it is larger than the sum of its proper divisors (116168974).

231616514 is a wasteful number, since it uses less digits than its factorization.

231616514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120240.

The product of its digits is 4320, while the sum is 29.

The square root of 231616514 is about 15218.9524606656. The cubic root of 231616514 is about 614.1246179380.

The spelling of 231616514 in words is "two hundred thirty-one million, six hundred sixteen thousand, five hundred fourteen".