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131030003 = 1371141961
BaseRepresentation
bin1111100111101…
…01101111110011
3100010120000101002
413303311233303
5232020430003
621000232215
73150510446
oct763655763
9303500332
10131030003
1167a65865
1237a6b66b
13211b9560
141358b65d
15b783a88
hex7cf5bf3

131030003 has 8 divisors (see below), whose sum is σ = 143097696. Its totient is φ = 119246400.

The previous prime is 131029993. The next prime is 131030047. The reversal of 131030003 is 300030131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131030003 - 28 = 131029747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131030083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70058 + ... + 71903.

It is an arithmetic number, because the mean of its divisors is an integer number (17887212).

Almost surely, 2131030003 is an apocalyptic number.

131030003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131030003 is a deficient number, since it is larger than the sum of its proper divisors (12067693).

131030003 is a wasteful number, since it uses less digits than its factorization.

131030003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142045.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 131030003 is about 11446.8337543619. The cubic root of 131030003 is about 507.9140778380.

Adding to 131030003 its reverse (300030131), we get a palindrome (431060134).

It can be divided in two parts, 1310 and 30003, that added together give a palindrome (31313).

The spelling of 131030003 in words is "one hundred thirty-one million, thirty thousand, three".

Divisors: 1 13 71 923 141961 1845493 10079231 131030003