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103143431401 = 558231847687
BaseRepresentation
bin110000000001111010…
…0111101110011101001
3100212020020120012110221
41200003310331303221
53142214204301101
6115214453410041
710310663462353
oct1400364756351
9325206505427
10103143431401
113a81986169a
1217ba6639921
139959b3311a
144dc67220d3
152a3a1b1aa1
hex1803d3dce9

103143431401 has 4 divisors (see below), whose sum is σ = 103145334912. Its totient is φ = 103141527892.

The previous prime is 103143431399. The next prime is 103143431411. The reversal of 103143431401 is 104134341301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103143431401 - 21 = 103143431399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103143431411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868021 + ... + 979666.

It is an arithmetic number, because the mean of its divisors is an integer number (25786333728).

Almost surely, 2103143431401 is an apocalyptic number.

It is an amenable number.

103143431401 is a deficient number, since it is larger than the sum of its proper divisors (1903511).

103143431401 is an equidigital number, since it uses as much as digits as its factorization.

103143431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903510.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 103143431401 its reverse (104134341301), we get a palindrome (207277772702).

The spelling of 103143431401 in words is "one hundred three billion, one hundred forty-three million, four hundred thirty-one thousand, four hundred one".

Divisors: 1 55823 1847687 103143431401