Search a number
-
+
30311441103103 = 49161734095933
BaseRepresentation
bin1101110010001011011101…
…01011011111100011111111
310222022202010110002001011121
412321011232223133203333
512433110312410244403
6144244514522531411
76245633524160356
oct671055653374377
9128282113061147
1030311441103103
119727012315466
123496688366b67
1313bb483698744
1476b11dbc299d
1537870bb093bd
hex1b916eadf8ff

30311441103103 has 4 divisors (see below), whose sum is σ = 30373175199528. Its totient is φ = 30249707006680.

The previous prime is 30311441103061. The next prime is 30311441103109. The reversal of 30311441103103 is 30130114411303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30311441103103 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 (30311441103109) 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, 30867047476 + ... + 30867048457.

It is an arithmetic number, because the mean of its divisors is an integer number (7593293799882).

Almost surely, 230311441103103 is an apocalyptic number.

30311441103103 is a deficient number, since it is larger than the sum of its proper divisors (61734096425).

30311441103103 is an equidigital number, since it uses as much as digits as its factorization.

30311441103103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61734096424.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 30311441103103 its reverse (30130114411303), we get a palindrome (60441555514406).

The spelling of 30311441103103 in words is "thirty trillion, three hundred eleven billion, four hundred forty-one million, one hundred three thousand, one hundred three".

Divisors: 1 491 61734095933 30311441103103