351069312 has 128 divisors (see below), whose sum is σ = 1077364800. Its totient is φ = 100106240.

The previous prime is 351069307. The next prime is 351069343. The reversal of 351069312 is 213960153.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 351069312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69364 + ... + 74252.

Almost surely, 2^351069312 is an apocalyptic number.

351069312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351069312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538682400).

351069312 is an abundant number, since it is smaller than the sum of its proper divisors (726295488).

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

351069312 is a wasteful number, since it uses less digits than its factorization.

351069312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934 (or 4922 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 351069312 is about 18736.8437043169. The cubic root of 351069312 is about 705.4468350864.

The spelling of 351069312 in words is "three hundred fifty-one million, sixty-nine thousand, three hundred twelve".