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331103242541 = 3311000311911
BaseRepresentation
bin1001101000101110100…
…10101000100100101101
31011122122011011110101002
410310113102220210231
520411044412230131
6412035015330045
732631022060631
oct4642722504455
91148564143332
10331103242541
1111846916a825
1254205980925
13252b893b536
141204dcd0dc1
15892d0ae6cb
hex4d174a892d

331103242541 has 4 divisors (see below), whose sum is σ = 332103554784. Its totient is φ = 330102930300.

The previous prime is 331103242511. The next prime is 331103242579. The reversal of 331103242541 is 145242301133.

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.

It is a cyclic number.

It is not a de Polignac number, because 331103242541 - 210 = 331103241517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331103242511) 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, 500155625 + ... + 500156286.

It is an arithmetic number, because the mean of its divisors is an integer number (83025888696).

Almost surely, 2331103242541 is an apocalyptic number.

It is an amenable number.

331103242541 is a deficient number, since it is larger than the sum of its proper divisors (1000312243).

331103242541 is a wasteful number, since it uses less digits than its factorization.

331103242541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000312242.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 331103242541 its reverse (145242301133), we get a palindrome (476345543674).

The spelling of 331103242541 in words is "three hundred thirty-one billion, one hundred three million, two hundred forty-two thousand, five hundred forty-one".

Divisors: 1 331 1000311911 331103242541