331122113 has 4 divisors (see below), whose sum is σ = 378425280. Its totient is φ = 283818948.

The previous prime is 331122083. The next prime is 331122149. The reversal of 331122113 is 311221133.

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: 311221133 = 947 ⋅328639.

It is not a de Polignac number, because 331122113 - 2⁶ = 331122049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331122091 and 331122100.

It is not an unprimeable number, because it can be changed into a prime (331142113) 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, 23651573 + ... + 23651586.

It is an arithmetic number, because the mean of its divisors is an integer number (94606320).

Almost surely, 2^331122113 is an apocalyptic number.

It is an amenable number.

331122113 is a deficient number, since it is larger than the sum of its proper divisors (47303167).

331122113 is an equidigital number, since it uses as much as digits as its factorization.

331122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47303166.

The product of its digits is 108, while the sum is 17.

The square root of 331122113 is about 18196.7610579465. The cubic root of 331122113 is about 691.8246970661.

Adding to 331122113 its reverse (311221133), we get a palindrome (642343246).

It can be divided in two parts, 3 and 31122113, that multiplied together give a palindrome (93366339).

The spelling of 331122113 in words is "three hundred thirty-one million, one hundred twenty-two thousand, one hundred thirteen".