Search a number
-
+
103011331033 = 137923948541
BaseRepresentation
bin101111111101111110…
…1000010101111011001
3100211220000222210211201
41133323331002233121
53141431400043113
6115153414154201
710304500603162
oct1377375025731
9324800883751
10103011331033
113a761235736
1217b6a352961
139938660620
144db2d76769
152a2d7bacdd
hex17fbf42bd9

103011331033 has 4 divisors (see below), whose sum is σ = 110935279588. Its totient is φ = 95087382480.

The previous prime is 103011331013. The next prime is 103011331067. The reversal of 103011331033 is 330133110301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330133110301 = 3110649455171.

It can be written as a sum of positive squares in 2 ways, for example, as 5569338384 + 97441992649 = 74628^2 + 312157^2 .

It is a cyclic number.

It is not a de Polignac number, because 103011331033 - 217 = 103011199961 is a prime.

It is a super-2 number, since 2×1030113310332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103011331033.

It is not an unprimeable number, because it can be changed into a prime (103011331013) 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, 3961974258 + ... + 3961974283.

It is an arithmetic number, because the mean of its divisors is an integer number (27733819897).

Almost surely, 2103011331033 is an apocalyptic number.

103011331033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

103011331033 is a deficient number, since it is larger than the sum of its proper divisors (7923948555).

103011331033 is an equidigital number, since it uses as much as digits as its factorization.

103011331033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7923948554.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 103011331033 its reverse (330133110301), we get a palindrome (433144441334).

The spelling of 103011331033 in words is "one hundred three billion, eleven million, three hundred thirty-one thousand, thirty-three".

Divisors: 1 13 7923948541 103011331033