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103331323013 = 175358945421
BaseRepresentation
bin110000000111100000…
…1101101110010000101
3100212201100010002022112
41200033001231302011
53143110304314023
6115245244510405
710315434516332
oct1401701556205
9325640102275
10103331323013
113a905924416
121803954b405
139989a3aca9
145003671989
152a4b928478
hex180f06dc85

103331323013 has 4 divisors (see below), whose sum is σ = 103390270188. Its totient is φ = 103272375840.

The previous prime is 103331323003. The next prime is 103331323027. The reversal of 103331323013 is 310323133301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310323133301 = 1731793775337.

It can be written as a sum of positive squares in 2 ways, for example, as 11168685124 + 92162637889 = 105682^2 + 303583^2 .

It is a cyclic number.

It is not a de Polignac number, because 103331323013 - 212 = 103331318917 is a prime.

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 103331323013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103331323003) 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, 29470958 + ... + 29474463.

It is an arithmetic number, because the mean of its divisors is an integer number (25847567547).

Almost surely, 2103331323013 is an apocalyptic number.

It is an amenable number.

103331323013 is a deficient number, since it is larger than the sum of its proper divisors (58947175).

103331323013 is an equidigital number, since it uses as much as digits as its factorization.

103331323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58947174.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 103331323013 its reverse (310323133301), we get a palindrome (413654456314).

The spelling of 103331323013 in words is "one hundred three billion, three hundred thirty-one million, three hundred twenty-three thousand, thirteen".

Divisors: 1 1753 58945421 103331323013