350131520 has 28 divisors (see below), whose sum is σ = 833751444. Its totient is φ = 140052480.

The previous prime is 350131519. The next prime is 350131531. The reversal of 350131520 is 25131053.

It can be written as a sum of positive squares in 2 ways, for example, as 261921856 + 88209664 = 16184^2 + 9392^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 350131492 and 350131501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546761 + ... + 547400.

Almost surely, 2^350131520 is an apocalyptic number.

It is an amenable number.

350131520 is an abundant number, since it is smaller than the sum of its proper divisors (483619924).

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

350131520 is a wasteful number, since it uses less digits than its factorization.

350131520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094178 (or 1094168 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 350131520 is about 18711.8016235744. The cubic root of 350131520 is about 704.8181346024.

Adding to 350131520 its reverse (25131053), we get a palindrome (375262573).

The spelling of 350131520 in words is "three hundred fifty million, one hundred thirty-one thousand, five hundred twenty".