312444534 has 8 divisors (see below), whose sum is σ = 624889080. Its totient is φ = 104148176.

The previous prime is 312444533. The next prime is 312444541. The reversal of 312444534 is 435444213.

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

312444534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312444533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26037039 + ... + 26037050.

It is an arithmetic number, because the mean of its divisors is an integer number (78111135).

Almost surely, 2^312444534 is an apocalyptic number.

312444534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312444534 is a wasteful number, since it uses less digits than its factorization.

312444534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52074094.

The product of its digits is 23040, while the sum is 30.

The square root of 312444534 is about 17676.1006446558. The cubic root of 312444534 is about 678.5642530031.

Adding to 312444534 its reverse (435444213), we get a palindrome (747888747).

It can be divided in two parts, 31244 and 4534, that added together give a triangular number (35778 = T₂₆₇).

The spelling of 312444534 in words is "three hundred twelve million, four hundred forty-four thousand, five hundred thirty-four".