Search a number
-
+
111103102331 = 1360161922973
BaseRepresentation
bin110011101111001000…
…0101100110101111011
3101121202222002101021222
41213132100230311323
53310014343233311
6123012353022255
711012144534144
oct1473620546573
9347688071258
10111103102331
1143133894231
121964825498b
13a627bc5990
14553d8ccacb
152d53d92adb
hex19de42cd7b

111103102331 has 16 divisors (see below), whose sum is σ = 120047420640. Its totient is φ = 102216211200.

The previous prime is 111103102321. The next prime is 111103102339. The reversal of 111103102331 is 133201301111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111103102331 is a prime.

It is a super-2 number, since 2×1111031023312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111103102339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4824761 + ... + 4847733.

It is an arithmetic number, because the mean of its divisors is an integer number (7502963790).

Almost surely, 2111103102331 is an apocalyptic number.

111103102331 is a deficient number, since it is larger than the sum of its proper divisors (8944318309).

111103102331 is a wasteful number, since it uses less digits than its factorization.

111103102331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24206.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111103102331 its reverse (133201301111), we get a palindrome (244304403442).

The spelling of 111103102331 in words is "one hundred eleven billion, one hundred three million, one hundred two thousand, three hundred thirty-one".

Divisors: 1 13 601 619 7813 8047 22973 298649 372019 4836247 13806773 14220287 179488049 184863731 8546392487 111103102331