331142401 has 8 divisors (see below), whose sum is σ = 338454144. Its totient is φ = 323841840.

The previous prime is 331142377. The next prime is 331142407. The reversal of 331142401 is 104241133.

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

It is a cyclic number.

It is not a de Polignac number, because 331142401 - 2⁵ = 331142369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331142407) 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, 90946 + ... + 94516.

It is an arithmetic number, because the mean of its divisors is an integer number (42306768).

Almost surely, 2^331142401 is an apocalyptic number.

It is an amenable number.

331142401 is a deficient number, since it is larger than the sum of its proper divisors (7311743).

331142401 is a wasteful number, since it uses less digits than its factorization.

331142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 331142401 is about 18197.3185112532. The cubic root of 331142401 is about 691.8388262471.

Adding to 331142401 its reverse (104241133), we get a palindrome (435383534).

The spelling of 331142401 in words is "three hundred thirty-one million, one hundred forty-two thousand, four hundred one".