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131333716 = 2273449773
BaseRepresentation
bin1111101001111…
…11111001010100
3100011010102222201
413310333321110
5232110134331
621010534244
73153214063
oct764777124
9304112881
10131333716
1168152a68
1237b97384
1321294877
141362a1da
15b7e3a61
hex7d3fe54

131333716 has 12 divisors (see below), whose sum is σ = 232982932. Its totient is φ = 64767168.

The previous prime is 131333711. The next prime is 131333717. The reversal of 131333716 is 617333131.

It can be written as a sum of positive squares in 2 ways, for example, as 74028816 + 57304900 = 8604^2 + 7570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131333711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224595 + ... + 225178.

Almost surely, 2131333716 is an apocalyptic number.

It is an amenable number.

131333716 is a deficient number, since it is larger than the sum of its proper divisors (101649216).

131333716 is a wasteful number, since it uses less digits than its factorization.

131333716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449850 (or 449848 counting only the distinct ones).

The product of its digits is 3402, while the sum is 28.

The square root of 131333716 is about 11460.0923207451. The cubic root of 131333716 is about 508.3062045064.

Adding to 131333716 its reverse (617333131), we get a palindrome (748666847).

The spelling of 131333716 in words is "one hundred thirty-one million, three hundred thirty-three thousand, seven hundred sixteen".

Divisors: 1 2 4 73 146 292 449773 899546 1799092 32833429 65666858 131333716