231063313550 has 12 divisors (see below), whose sum is σ = 429777763296. Its totient is φ = 92425325400.

The previous prime is 231063313531. The next prime is 231063313567. The reversal of 231063313550 is 55313360132.

It is a super-2 number, since 2×231063313550² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2310633086 + ... + 2310633185.

It is an arithmetic number, because the mean of its divisors is an integer number (35814813608).

Almost surely, 2^231063313550 is an apocalyptic number.

231063313550 is a deficient number, since it is larger than the sum of its proper divisors (198714449746).

231063313550 is a wasteful number, since it uses less digits than its factorization.

231063313550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621266283 (or 4621266278 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 231063313550 its reverse (55313360132), we get a palindrome (286376673682).

The spelling of 231063313550 in words is "two hundred thirty-one billion, sixty-three million, three hundred thirteen thousand, five hundred fifty".