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231346697 is a prime number
BaseRepresentation
bin11011100101000…
…01001000001001
3121010022122000012
431302201020021
5433211043242
634542321305
75506262111
oct1562411011
9533278005
10231346697
1110965321a
1265589235
1338c1124a
1422a22041
151549c282
hexdca1209

231346697 has 2 divisors, whose sum is σ = 231346698. Its totient is φ = 231346696.

The previous prime is 231346691. The next prime is 231346741. The reversal of 231346697 is 796643132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194574601 + 36772096 = 13949^2 + 6064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231346697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231346691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115673348 + 115673349.

It is an arithmetic number, because the mean of its divisors is an integer number (115673349).

Almost surely, 2231346697 is an apocalyptic number.

It is an amenable number.

231346697 is a deficient number, since it is larger than the sum of its proper divisors (1).

231346697 is an equidigital number, since it uses as much as digits as its factorization.

231346697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 231346697 is about 15210.0853712266. The cubic root of 231346697 is about 613.8860545698.

The spelling of 231346697 in words is "two hundred thirty-one million, three hundred forty-six thousand, six hundred ninety-seven".