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131203097 is a prime number
BaseRepresentation
bin1111101001000…
…00000000011001
3100010212210210222
413310200000121
5232041444342
621004045425
73152131214
oct764400031
9303783728
10131203097
1168073913
1237b33875
132124a28c
14135d477b
15b7b9ed2
hex7d20019

131203097 has 2 divisors, whose sum is σ = 131203098. Its totient is φ = 131203096.

The previous prime is 131203091. The next prime is 131203103. The reversal of 131203097 is 790302131.

It is a balanced prime because it is at equal distance from previous prime (131203091) and next prime (131203103).

It can be written as a sum of positive squares in only one way, i.e., 93392896 + 37810201 = 9664^2 + 6149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131203097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131203091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601548 + 65601549.

It is an arithmetic number, because the mean of its divisors is an integer number (65601549).

Almost surely, 2131203097 is an apocalyptic number.

It is an amenable number.

131203097 is a deficient number, since it is larger than the sum of its proper divisors (1).

131203097 is an equidigital number, since it uses as much as digits as its factorization.

131203097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 131203097 is about 11454.3920397374. The cubic root of 131203097 is about 508.1376352734.

The spelling of 131203097 in words is "one hundred thirty-one million, two hundred three thousand, ninety-seven".