312443005534 has 48 divisors (see below), whose sum is σ = 522885870720. Its totient is φ = 138863270960.

The previous prime is 312443005517. The next prime is 312443005583. The reversal of 312443005534 is 435500344213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312443005534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63515127 + ... + 63520045.

It is an arithmetic number, because the mean of its divisors is an integer number (10893455640).

Almost surely, 2^312443005534 is an apocalyptic number.

312443005534 is a deficient number, since it is larger than the sum of its proper divisors (210442865186).

312443005534 is a wasteful number, since it uses less digits than its factorization.

312443005534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333 (or 6286 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 312443005534 its reverse (435500344213), we get a palindrome (747943349747).

The spelling of 312443005534 in words is "three hundred twelve billion, four hundred forty-three million, five thousand, five hundred thirty-four".