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103453403131 = 137957954087
BaseRepresentation
bin110000001011001001…
…1011010011111111011
3100220000211211101202101
41200112103122133323
53143333032400011
6115305325244231
710321446263131
oct1402623323773
9326024741671
10103453403131
113a968826a81
1218072403677
1399a9112950
14501596d751
152a574e02c1
hex18164da7fb

103453403131 has 4 divisors (see below), whose sum is σ = 111411357232. Its totient is φ = 95495449032.

The previous prime is 103453403089. The next prime is 103453403161. The reversal of 103453403131 is 131304354301.

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 103453403131 - 219 = 103452878843 is a prime.

It is a super-2 number, since 2×1034534031312 (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 103453403131.

It is not an unprimeable number, because it can be changed into a prime (103453403161) 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, 3978977031 + ... + 3978977056.

It is an arithmetic number, because the mean of its divisors is an integer number (27852839308).

Almost surely, 2103453403131 is an apocalyptic number.

103453403131 is a deficient number, since it is larger than the sum of its proper divisors (7957954101).

103453403131 is an equidigital number, since it uses as much as digits as its factorization.

103453403131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957954100.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 103453403131 its reverse (131304354301), we get a palindrome (234757757432).

The spelling of 103453403131 in words is "one hundred three billion, four hundred fifty-three million, four hundred three thousand, one hundred thirty-one".

Divisors: 1 13 7957954087 103453403131