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131014023 = 377198677
BaseRepresentation
bin1111100111100…
…01110110000111
3100010112012110020
413303301312013
5232014422043
621000030223
73150413040
oct763616607
9303465406
10131014023
1167a54858
1237a62373
13211b21ba
14135858c7
15b77de83
hex7cf1d87

131014023 has 16 divisors (see below), whose sum is σ = 199941120. Its totient is φ = 74752416.

The previous prime is 131014007. The next prime is 131014027. The reversal of 131014023 is 320410131.

It is not a de Polignac number, because 131014023 - 24 = 131014007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131013993 and 131014011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131014027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10761 + ... + 19437.

It is an arithmetic number, because the mean of its divisors is an integer number (12496320).

Almost surely, 2131014023 is an apocalyptic number.

131014023 is a deficient number, since it is larger than the sum of its proper divisors (68927097).

131014023 is an equidigital number, since it uses as much as digits as its factorization.

131014023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131014023 is about 11446.1357234658. The cubic root of 131014023 is about 507.8934291398.

Adding to 131014023 its reverse (320410131), we get a palindrome (451424154).

The spelling of 131014023 in words is "one hundred thirty-one million, fourteen thousand, twenty-three".

Divisors: 1 3 7 21 719 2157 5033 8677 15099 26031 60739 182217 6238763 18716289 43671341 131014023