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131112033 = 3133361847
BaseRepresentation
bin1111101000010…
…01110001100001
3100010201011220020
413310021301201
5232031041113
621002104053
73151301553
oct764116141
9303634806
10131112033
1168011458
1237aab029
13212179b0
14135ad4d3
15b79d023
hex7d09c61

131112033 has 8 divisors (see below), whose sum is σ = 188263488. Its totient is φ = 80684304.

The previous prime is 131112019. The next prime is 131112043. The reversal of 131112033 is 330211131.

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

It is not a de Polignac number, because 131112033 - 24 = 131112017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131112013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680885 + ... + 1680962.

It is an arithmetic number, because the mean of its divisors is an integer number (23532936).

Almost surely, 2131112033 is an apocalyptic number.

131112033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131112033 is a deficient number, since it is larger than the sum of its proper divisors (57151455).

131112033 is a wasteful number, since it uses less digits than its factorization.

131112033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361863.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131112033 is about 11450.4162806424. The cubic root of 131112033 is about 508.0200472073.

Adding to 131112033 its reverse (330211131), we get a palindrome (461323164).

The spelling of 131112033 in words is "one hundred thirty-one million, one hundred twelve thousand, thirty-three".

Divisors: 1 3 13 39 3361847 10085541 43704011 131112033