331313101 has 4 divisors (see below), whose sum is σ = 378643552. Its totient is φ = 283982652.

The previous prime is 331313093. The next prime is 331313111. The reversal of 331313101 is 101313133.

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: 101313133 = 5153 ⋅19661.

It is a cyclic number.

It is not a de Polignac number, because 331313101 - 2³ = 331313093 is a prime.

It is a super-5 number, since 5×331313101⁵ (a number of 44 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331313111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23665215 + ... + 23665228.

It is an arithmetic number, because the mean of its divisors is an integer number (94660888).

Almost surely, 2^331313101 is an apocalyptic number.

It is an amenable number.

331313101 is a deficient number, since it is larger than the sum of its proper divisors (47330451).

331313101 is an equidigital number, since it uses as much as digits as its factorization.

331313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47330450.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 331313101 is about 18202.0081584423. The cubic root of 331313101 is about 691.9576840764.

Adding to 331313101 its reverse (101313133), we get a palindrome (432626234).

The spelling of 331313101 in words is "three hundred thirty-one million, three hundred thirteen thousand, one hundred one".