331880146 has 16 divisors (see below), whose sum is σ = 537327000. Its totient is φ = 152828928.

The previous prime is 331880123. The next prime is 331880167. The reversal of 331880146 is 641088133.

It can be written as a sum of positive squares in 4 ways, for example, as 221861025 + 110019121 = 14895^2 + 10489^2 .

It is a super-2 number, since 2×331880146² = 220288862617962632, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2541 + ... + 25888.

Almost surely, 2^331880146 is an apocalyptic number.

331880146 is a deficient number, since it is larger than the sum of its proper divisors (205446854).

331880146 is a wasteful number, since it uses less digits than its factorization.

331880146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28893.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 331880146 is about 18217.5779400007. The cubic root of 331880146 is about 692.3522227647.

The spelling of 331880146 in words is "three hundred thirty-one million, eight hundred eighty thousand, one hundred forty-six".