231303200312 has 32 divisors (see below), whose sum is σ = 456801589200. Its totient is φ = 109496966400.

The previous prime is 231303200243. The next prime is 231303200341. The reversal of 231303200312 is 213002303132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222989 + ... + 715772.

Almost surely, 2^231303200312 is an apocalyptic number.

It is an amenable number.

231303200312 is a deficient number, since it is larger than the sum of its proper divisors (225498388888).

231303200312 is a wasteful number, since it uses less digits than its factorization.

231303200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940407 (or 940403 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231303200312 its reverse (213002303132), we get a palindrome (444305503444).

The spelling of 231303200312 in words is "two hundred thirty-one billion, three hundred three million, two hundred thousand, three hundred twelve".