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130311002231 = 601216823631
BaseRepresentation
bin111100101011100100…
…1000001100001110111
3110110100121010210110222
41321113021001201313
54113334104032411
6135510345004555
712262141146254
oct1712711014167
9413317123428
10130311002231
11502a0188773
1221308a8375b
13c399455417
14644290442b
1535ca2e74db
hex1e57241877

130311002231 has 4 divisors (see below), whose sum is σ = 130527826464. Its totient is φ = 130094178000.

The previous prime is 130311002221. The next prime is 130311002233. The reversal of 130311002231 is 132200113031.

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 130311002231 - 210 = 130311001207 is a prime.

It is a super-2 number, since 2×1303110022312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130311002233) 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, 108411215 + ... + 108412416.

It is an arithmetic number, because the mean of its divisors is an integer number (32631956616).

Almost surely, 2130311002231 is an apocalyptic number.

130311002231 is a deficient number, since it is larger than the sum of its proper divisors (216824233).

130311002231 is an equidigital number, since it uses as much as digits as its factorization.

130311002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216824232.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130311002231 its reverse (132200113031), we get a palindrome (262511115262).

The spelling of 130311002231 in words is "one hundred thirty billion, three hundred eleven million, two thousand, two hundred thirty-one".

Divisors: 1 601 216823631 130311002231