312343004032231 has 16 divisors (see below), whose sum is σ = 333058551035904. Its totient is φ = 292229747625024.

The previous prime is 312343004032207. The next prime is 312343004032243. The reversal of 312343004032231 is 132230400343213.

It is a happy number.

It is not a de Polignac number, because 312343004032231 - 2³¹ = 312340856548583 is a prime.

It is a super-2 number, since 2×312343004032231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312343004032193 and 312343004032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343004032331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85396155 + ... + 88978588.

It is an arithmetic number, because the mean of its divisors is an integer number (20816159439744).

Almost surely, 2^{312343004032231} is an apocalyptic number.

312343004032231 is a deficient number, since it is larger than the sum of its proper divisors (20715547003673).

312343004032231 is a wasteful number, since it uses less digits than its factorization.

312343004032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174376470.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 312343004032231 its reverse (132230400343213), we get a palindrome (444573404375444).

The spelling of 312343004032231 in words is "three hundred twelve trillion, three hundred forty-three billion, four million, thirty-two thousand, two hundred thirty-one".