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331130041 = 11155919309
BaseRepresentation
bin10011101111001…
…010010010111001
3212002002011000121
4103233022102321
51134232130131
652505133241
711130362464
oct2357122271
9762064017
10331130041
1115aa069a0
1292a8a221
13537aa248
1431d982db
151e10c911
hex13bca4b9

331130041 has 8 divisors (see below), whose sum is σ = 361483200. Its totient is φ = 300818640.

The previous prime is 331129999. The next prime is 331130053. The reversal of 331130041 is 140031133.

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 331130041 - 29 = 331129529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331129997 and 331130024.

It is not an unprimeable number, because it can be changed into a prime (331130441) 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, 7495 + ... + 26803.

It is an arithmetic number, because the mean of its divisors is an integer number (45185400).

Almost surely, 2331130041 is an apocalyptic number.

It is an amenable number.

331130041 is a deficient number, since it is larger than the sum of its proper divisors (30353159).

331130041 is a wasteful number, since it uses less digits than its factorization.

331130041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20879.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 331130041 is about 18196.9788976083. The cubic root of 331130041 is about 691.8302184354.

Adding to 331130041 its reverse (140031133), we get a palindrome (471161174).

The spelling of 331130041 in words is "three hundred thirty-one million, one hundred thirty thousand, forty-one".

Divisors: 1 11 1559 17149 19309 212399 30102731 331130041