231545053202 has 8 divisors (see below), whose sum is σ = 355788740412. Its totient is φ = 112948806400.

The previous prime is 231545053189. The next prime is 231545053213. The reversal of 231545053202 is 202350545132.

It can be written as a sum of positive squares in 2 ways, for example, as 141969950521 + 89575102681 = 376789^2 + 299291^2 .

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

It is a super-2 number, since 2×231545053202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411859999 + ... + 1411860162.

Almost surely, 2^231545053202 is an apocalyptic number.

231545053202 is a deficient number, since it is larger than the sum of its proper divisors (124243687210).

231545053202 is a wasteful number, since it uses less digits than its factorization.

231545053202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823720204.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 231545053202 its reverse (202350545132), we get a palindrome (433895598334).

The spelling of 231545053202 in words is "two hundred thirty-one billion, five hundred forty-five million, fifty-three thousand, two hundred two".