231121303303112 has 16 divisors (see below), whose sum is σ = 458843763910860. Its totient is φ = 108762966260224.

The previous prime is 231121303303067. The next prime is 231121303303117. The reversal of 231121303303112 is 211303303121132.

It can be written as a sum of positive squares in 2 ways, for example, as 228450347201476 + 2670956101636 = 15114574^2 + 1634306^2 .

It is not an unprimeable number, because it can be changed into a prime (231121303303117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849710673773 + ... + 849710674044.

Almost surely, 2^{231121303303112} is an apocalyptic number.

It is an amenable number.

231121303303112 is a deficient number, since it is larger than the sum of its proper divisors (227722460607748).

231121303303112 is a wasteful number, since it uses less digits than its factorization.

231121303303112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699421347840 (or 1699421347836 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 231121303303112 its reverse (211303303121132), we get a palindrome (442424606424244).

The spelling of 231121303303112 in words is "two hundred thirty-one trillion, one hundred twenty-one billion, three hundred three million, three hundred three thousand, one hundred twelve".