231513450310321 has 8 divisors (see below), whose sum is σ = 236944835344800. Its totient is φ = 226084217608032.

The previous prime is 231513450310319. The next prime is 231513450310399. The reversal of 231513450310321 is 123013054315132.

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

It is a cyclic number.

It is not a de Polignac number, because 231513450310321 - 2¹ = 231513450310319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231513450310301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537865396 + ... + 538295653.

It is an arithmetic number, because the mean of its divisors is an integer number (29618104418100).

Almost surely, 2^{231513450310321} is an apocalyptic number.

It is an amenable number.

231513450310321 is a deficient number, since it is larger than the sum of its proper divisors (5431385034479).

231513450310321 is a wasteful number, since it uses less digits than its factorization.

231513450310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076166095.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 231513450310321 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty million, three hundred ten thousand, three hundred twenty-one".