312031010023231 has 8 divisors (see below), whose sum is σ = 322470208507104. Its totient is φ = 301726510874880.

The previous prime is 312031010023223. The next prime is 312031010023289. The reversal of 312031010023231 is 132320010130213.

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

It is a cyclic number.

It is not a de Polignac number, because 312031010023231 - 2³ = 312031010023223 is a prime.

It is a super-2 number, since 2×312031010023231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312031010063231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33674829171 + ... + 33674838436.

It is an arithmetic number, because the mean of its divisors is an integer number (40308776063388).

Almost surely, 2^{312031010023231} is an apocalyptic number.

312031010023231 is a deficient number, since it is larger than the sum of its proper divisors (10439198483873).

312031010023231 is a wasteful number, since it uses less digits than its factorization.

312031010023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67349667761.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312031010023231 its reverse (132320010130213), we get a palindrome (444351020153444).

The spelling of 312031010023231 in words is "three hundred twelve trillion, thirty-one billion, ten million, twenty-three thousand, two hundred thirty-one".