231532533253015 has 16 divisors (see below), whose sum is σ = 279147218197536. Its totient is φ = 184354567206400.

The previous prime is 231532533252997. The next prime is 231532533253039. The reversal of 231532533253015 is 510352335235132.

It is not a de Polignac number, because 231532533253015 - 2¹³ = 231532533244823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38406526 + ... + 44024155.

It is an arithmetic number, because the mean of its divisors is an integer number (17446701137346).

Almost surely, 2^{231532533253015} is an apocalyptic number.

231532533253015 is a deficient number, since it is larger than the sum of its proper divisors (47614684944521).

231532533253015 is a wasteful number, since it uses less digits than its factorization.

231532533253015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82433330.

The product of its (nonzero) digits is 1215000, while the sum is 43.

Adding to 231532533253015 its reverse (510352335235132), we get a palindrome (741884868488147).

The spelling of 231532533253015 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, five hundred thirty-three million, two hundred fifty-three thousand, fifteen".