231535350052 has 54 divisors (see below), whose sum is σ = 425827661714. Its totient is φ = 110130975360.

The previous prime is 231535350047. The next prime is 231535350103. The reversal of 231535350052 is 250053535132.

It can be written as a sum of positive squares in 3 ways, for example, as 43989189696 + 187546160356 = 209736^2 + 433066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 238449927 + ... + 238450897.

Almost surely, 2^231535350052 is an apocalyptic number.

It is an amenable number.

231535350052 is a deficient number, since it is larger than the sum of its proper divisors (194292311662).

231535350052 is an frugal number, since it uses more digits than its factorization.

231535350052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 231535350052 its reverse (250053535132), we get a palindrome (481588885184).

The spelling of 231535350052 in words is "two hundred thirty-one billion, five hundred thirty-five million, three hundred fifty thousand, fifty-two".