348451531506 has 64 divisors (see below), whose sum is σ = 834431875200. Its totient is φ = 107147613888.

The previous prime is 348451531451. The next prime is 348451531507. The reversal of 348451531506 is 605135154843.

348451531506 is a `hidden beast` number, since 3 + 4 + 84 + 515 + 3 + 1 + 50 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (348451531507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 951280 + ... + 1265636.

It is an arithmetic number, because the mean of its divisors is an integer number (13037998050).

Almost surely, 2^348451531506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348451531506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417215937600).

348451531506 is an abundant number, since it is smaller than the sum of its proper divisors (485980343694).

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

348451531506 is a wasteful number, since it uses less digits than its factorization.

348451531506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315960 (or 315954 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 348451531506 in words is "three hundred forty-eight billion, four hundred fifty-one million, five hundred thirty-one thousand, five hundred six".