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230431341 = 37109100669
BaseRepresentation
bin11011011110000…
…01101001101101
3121001121010101010
431233001221231
5432442300331
634510535433
75465430330
oct1557015155
9531533333
10230431341
11109088528
1265207579
133898070a
1422864617
151536ae46
hexdbc1a6d

230431341 has 16 divisors (see below), whose sum is σ = 354358400. Its totient is φ = 130465728.

The previous prime is 230431337. The next prime is 230431363. The reversal of 230431341 is 143134032.

It is not a de Polignac number, because 230431341 - 22 = 230431337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230431321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48046 + ... + 52623.

It is an arithmetic number, because the mean of its divisors is an integer number (22147400).

Almost surely, 2230431341 is an apocalyptic number.

230431341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230431341 is a deficient number, since it is larger than the sum of its proper divisors (123927059).

230431341 is a wasteful number, since it uses less digits than its factorization.

230431341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100788.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 230431341 is about 15179.9651185370. The cubic root of 230431341 is about 613.0753419970.

Adding to 230431341 its reverse (143134032), we get a palindrome (373565373).

The spelling of 230431341 in words is "two hundred thirty million, four hundred thirty-one thousand, three hundred forty-one".

Divisors: 1 3 7 21 109 327 763 2289 100669 302007 704683 2114049 10972921 32918763 76810447 230431341