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131011033 is a prime number
BaseRepresentation
bin1111100111100…
…01000111011001
3100010112001100111
413303301013121
5232014323113
621000004321
73150401236
oct763610731
9303461314
10131011033
1167a5258a
1237a606a1
13211b0a2a
141358478d
15b77d13d
hex7cf11d9

131011033 has 2 divisors, whose sum is σ = 131011034. Its totient is φ = 131011032.

The previous prime is 131011021. The next prime is 131011051. The reversal of 131011033 is 330110131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126157824 + 4853209 = 11232^2 + 2203^2 .

It is a cyclic number.

It is not a de Polignac number, because 131011033 - 29 = 131010521 is a prime.

It is not a weakly prime, because it can be changed into another prime (131011003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505516 + 65505517.

It is an arithmetic number, because the mean of its divisors is an integer number (65505517).

Almost surely, 2131011033 is an apocalyptic number.

It is an amenable number.

131011033 is a deficient number, since it is larger than the sum of its proper divisors (1).

131011033 is an equidigital number, since it uses as much as digits as its factorization.

131011033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 131011033 is about 11446.0051109547. The cubic root of 131011033 is about 507.8895653984.

Adding to 131011033 its reverse (330110131), we get a palindrome (461121164).

The spelling of 131011033 in words is "one hundred thirty-one million, eleven thousand, thirty-three".