312034412543 has 4 divisors (see below), whose sum is σ = 356610757200. Its totient is φ = 267458067888.

The previous prime is 312034412467. The next prime is 312034412587. The reversal of 312034412543 is 345214430213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312034412543 - 2²² = 312030218239 is a prime.

It is a super-2 number, since 2×312034412543² (a number of 24 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 (312034412743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22288172318 + ... + 22288172331.

It is an arithmetic number, because the mean of its divisors is an integer number (89152689300).

Almost surely, 2^312034412543 is an apocalyptic number.

312034412543 is a deficient number, since it is larger than the sum of its proper divisors (44576344657).

312034412543 is an equidigital number, since it uses as much as digits as its factorization.

312034412543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44576344656.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 312034412543 its reverse (345214430213), we get a palindrome (657248842756).

The spelling of 312034412543 in words is "three hundred twelve billion, thirty-four million, four hundred twelve thousand, five hundred forty-three".