331230101 has 4 divisors (see below), whose sum is σ = 331397472. Its totient is φ = 331062732.

The previous prime is 331230079. The next prime is 331230131. The reversal of 331230101 is 101032133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101032133 = 397 ⋅254489.

It is a cyclic number.

It is not a de Polignac number, because 331230101 - 2⁶ = 331230037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331230131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80681 + ... + 84686.

It is an arithmetic number, because the mean of its divisors is an integer number (82849368).

Almost surely, 2^331230101 is an apocalyptic number.

It is an amenable number.

331230101 is a deficient number, since it is larger than the sum of its proper divisors (167371).

331230101 is a wasteful number, since it uses less digits than its factorization.

331230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167370.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 331230101 is about 18199.7280474187. The cubic root of 331230101 is about 691.8998965594.

Adding to 331230101 its reverse (101032133), we get a palindrome (432262234).

The spelling of 331230101 in words is "three hundred thirty-one million, two hundred thirty thousand, one hundred one".