331043401 has 8 divisors (see below), whose sum is σ = 362353544. Its totient is φ = 300568320.

The previous prime is 331043387. The next prime is 331043467. The reversal of 331043401 is 104340133.

It can be written as a sum of positive squares in 4 ways, for example, as 18284176 + 312759225 = 4276^2 + 17685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331043401 - 2⁹ = 331042889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331047401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207936 + ... + 209521.

It is an arithmetic number, because the mean of its divisors is an integer number (45294193).

Almost surely, 2^331043401 is an apocalyptic number.

It is an amenable number.

331043401 is a deficient number, since it is larger than the sum of its proper divisors (31310143).

331043401 is a wasteful number, since it uses less digits than its factorization.

331043401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417531.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331043401 is about 18194.5981269167. The cubic root of 331043401 is about 691.7698741686.

Adding to 331043401 its reverse (104340133), we get a palindrome (435383534).

The spelling of 331043401 in words is "three hundred thirty-one million, forty-three thousand, four hundred one".