312234455305 has 8 divisors (see below), whose sum is σ = 396721425672. Its totient is φ = 235094178048.

The previous prime is 312234455233. The next prime is 312234455321. The reversal of 312234455305 is 503554432213.

It can be written as a sum of positive squares in 4 ways, for example, as 12529668096 + 299704787209 = 111936^2 + 547453^2 .

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 312234455305 - 2⁷ = 312234455177 is a prime.

It is a super-2 number, since 2×312234455305² (a number of 24 digits) contains 22 as substring.

It is a Duffinian 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, 1836673182 + ... + 1836673351.

It is an arithmetic number, because the mean of its divisors is an integer number (49590178209).

Almost surely, 2^312234455305 is an apocalyptic number.

It is an amenable number.

312234455305 is a deficient number, since it is larger than the sum of its proper divisors (84486970367).

312234455305 is a wasteful number, since it uses less digits than its factorization.

312234455305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673346555.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 312234455305 its reverse (503554432213), we get a palindrome (815788887518).

The spelling of 312234455305 in words is "three hundred twelve billion, two hundred thirty-four million, four hundred fifty-five thousand, three hundred five".