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120010131 = 3213334459
BaseRepresentation
bin1110010011100…
…11010110010011
322100211010221200
413021303112103
5221210311011
615524122243
72655032523
oct711632623
9270733850
10120010131
116181942a
1234236383
131bb2b717
1411d1d683
15a808856
hex7273593

120010131 has 6 divisors (see below), whose sum is σ = 173347980. Its totient is φ = 80006748.

The previous prime is 120010109. The next prime is 120010153. The reversal of 120010131 is 131010021.

It is an interprime number because it is at equal distance from previous prime (120010109) and next prime (120010153).

It is not a de Polignac number, because 120010131 - 29 = 120009619 is a prime.

It is a super-3 number, since 3×1200101313 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 13334459 = 120010131 / (1 + 2 + 0 + 0 + 1 + 0 + 1 + 3 + 1).

It is not an unprimeable number, because it can be changed into a prime (120010171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6667221 + ... + 6667238.

It is an arithmetic number, because the mean of its divisors is an integer number (28891330).

Almost surely, 2120010131 is an apocalyptic number.

120010131 is a deficient number, since it is larger than the sum of its proper divisors (53337849).

120010131 is a wasteful number, since it uses less digits than its factorization.

120010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334465 (or 13334462 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 120010131 is about 10954.9135551131. The cubic root of 120010131 is about 493.2562951391.

Adding to 120010131 its reverse (131010021), we get a palindrome (251020152).

The spelling of 120010131 in words is "one hundred twenty million, ten thousand, one hundred thirty-one".

Divisors: 1 3 9 13334459 40003377 120010131