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103104430431 = 334368143477
BaseRepresentation
bin110000000000110000…
…0001100000101011111
3100212010112011202012120
41200001200030011133
53142124213233211
6115210541434023
710310011125042
oct1400140140537
9325115152176
10103104430431
113a7a9843692
1217b9556b913
139951a29222
144dc148cc59
152a36a5ad06
hex180180c15f

103104430431 has 4 divisors (see below), whose sum is σ = 137472573912. Its totient is φ = 68736286952.

The previous prime is 103104430417. The next prime is 103104430441. The reversal of 103104430431 is 134034401301.

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

It is a cyclic number.

It is not a de Polignac number, because 103104430431 - 29 = 103104429919 is a prime.

It is a super-2 number, since 2×1031044304312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103104430441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17184071736 + ... + 17184071741.

It is an arithmetic number, because the mean of its divisors is an integer number (34368143478).

Almost surely, 2103104430431 is an apocalyptic number.

103104430431 is a deficient number, since it is larger than the sum of its proper divisors (34368143481).

103104430431 is an equidigital number, since it uses as much as digits as its factorization.

103104430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34368143480.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 103104430431 its reverse (134034401301), we get a palindrome (237138831732).

The spelling of 103104430431 in words is "one hundred three billion, one hundred four million, four hundred thirty thousand, four hundred thirty-one".

Divisors: 1 3 34368143477 103104430431