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231341401 = 337686473
BaseRepresentation
bin11011100100111…
…11110101011001
3121010022100202001
431302133311121
5433210411101
634542241001
75506240504
oct1562376531
9533270661
10231341401
1110964a245
1265586161
1338c0ba05
1422a2013b
151549a901
hexdc9fd59

231341401 has 4 divisors (see below), whose sum is σ = 232028212. Its totient is φ = 230654592.

The previous prime is 231341371. The next prime is 231341417. The reversal of 231341401 is 104143132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 176225625 = 7424^2 + 13275^2 .

It is a cyclic number.

It is not a de Polignac number, because 231341401 - 227 = 97123673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231341431) 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, 342900 + ... + 343573.

It is an arithmetic number, because the mean of its divisors is an integer number (58007053).

Almost surely, 2231341401 is an apocalyptic number.

It is an amenable number.

231341401 is a deficient number, since it is larger than the sum of its proper divisors (686811).

231341401 is an equidigital number, since it uses as much as digits as its factorization.

231341401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686810.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231341401 is about 15209.9112752179. The cubic root of 231341401 is about 613.8813701641.

Adding to 231341401 its reverse (104143132), we get a palindrome (335484533).

The spelling of 231341401 in words is "two hundred thirty-one million, three hundred forty-one thousand, four hundred one".

Divisors: 1 337 686473 231341401