331021114 has 4 divisors (see below), whose sum is σ = 496531674. Its totient is φ = 165510556.

The previous prime is 331021111. The next prime is 331021123. The reversal of 331021114 is 411120133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411120133 = 5953 ⋅69061.

It can be written as a sum of positive squares in only one way, i.e., 274995889 + 56025225 = 16583^2 + 7485^2 .

It is not an unprimeable number, because it can be changed into a prime (331021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82755277 + ... + 82755280.

Almost surely, 2^331021114 is an apocalyptic number.

331021114 is a deficient number, since it is larger than the sum of its proper divisors (165510560).

331021114 is a wasteful number, since it uses less digits than its factorization.

331021114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165510559.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 331021114 is about 18193.9856546058. The cubic root of 331021114 is about 691.7543496974.

Adding to 331021114 its reverse (411120133), we get a palindrome (742141247).

The spelling of 331021114 in words is "three hundred thirty-one million, twenty-one thousand, one hundred fourteen".