351031668 has 96 divisors (see below), whose sum is σ = 917505792. Its totient is φ = 103756800.

The previous prime is 351031643. The next prime is 351031697. The reversal of 351031668 is 866130153.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453730 + ... + 454502.

It is an arithmetic number, because the mean of its divisors is an integer number (9557352).

Almost surely, 2^351031668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351031668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458752896).

351031668 is an abundant number, since it is smaller than the sum of its proper divisors (566474124).

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

351031668 is a wasteful number, since it uses less digits than its factorization.

351031668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 351031668 is about 18735.8391325289. The cubic root of 351031668 is about 705.4216199423.

The spelling of 351031668 in words is "three hundred fifty-one million, thirty-one thousand, six hundred sixty-eight".