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231342199 = 1121911919
BaseRepresentation
bin11011100101000…
…00000001110111
3121010022101211121
431302200001313
5433210422244
634542244411
75506243024
oct1562400167
9533271747
10231342199
1110964a900
1265586707
1338c0c19a
1422a2054b
151549ac84
hexdca0077

231342199 has 6 divisors (see below), whose sum is σ = 254285360. Its totient is φ = 210310980.

The previous prime is 231342161. The next prime is 231342227. The reversal of 231342199 is 991243132.

It is not a de Polignac number, because 231342199 - 27 = 231342071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231342109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 955839 + ... + 956080.

Almost surely, 2231342199 is an apocalyptic number.

231342199 is a deficient number, since it is larger than the sum of its proper divisors (22943161).

231342199 is a wasteful number, since it uses less digits than its factorization.

231342199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911941 (or 1911930 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 231342199 is about 15209.9375080899. The cubic root of 231342199 is about 613.8820760138.

The spelling of 231342199 in words is "two hundred thirty-one million, three hundred forty-two thousand, one hundred ninety-nine".

Divisors: 1 11 121 1911919 21031109 231342199