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231338041 = 1131766343
BaseRepresentation
bin11011100100111…
…11000000111001
3121010022012010121
431302133000321
5433210304131
634542213241
75506224634
oct1562370071
9533265117
10231338041
11109647770
1265584221
1338c0a31c
1422a1cc1b
1515499911
hexdc9f039

231338041 has 8 divisors (see below), whose sum is σ = 253168704. Its totient is φ = 209640720.

The previous prime is 231338039. The next prime is 231338059. The reversal of 231338041 is 140833132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231338041 - 21 = 231338039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231337997 and 231338015.

It is not an unprimeable number, because it can be changed into a prime (231338021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29685 + ... + 36658.

It is an arithmetic number, because the mean of its divisors is an integer number (31646088).

Almost surely, 2231338041 is an apocalyptic number.

It is an amenable number.

231338041 is a deficient number, since it is larger than the sum of its proper divisors (21830663).

231338041 is a wasteful number, since it uses less digits than its factorization.

231338041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66671.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 231338041 is about 15209.8008205236. The cubic root of 231338041 is about 613.8783981476.

The spelling of 231338041 in words is "two hundred thirty-one million, three hundred thirty-eight thousand, forty-one".

Divisors: 1 11 317 3487 66343 729773 21030731 231338041