Search a number
-
+
323104431 = 313173111567
BaseRepresentation
bin10011010000100…
…010111010101111
3211111222101221210
4103100202322233
51130203320211
652021125503
711002225266
oct2320427257
9744871853
10323104431
11156425161
1290259893
1351c2a270
1430ca95dd
151d5749a6
hex13422eaf

323104431 has 32 divisors (see below), whose sum is σ = 493129728. Its totient is φ = 186416640.

The previous prime is 323104429. The next prime is 323104433. The reversal of 323104431 is 134401323.

It is an interprime number because it is at equal distance from previous prime (323104429) and next prime (323104433).

It is not a de Polignac number, because 323104431 - 21 = 323104429 is a prime.

It is a super-2 number, since 2×3231044312 = 208792946663667522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323104398 and 323104407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323104433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205410 + ... + 206976.

It is an arithmetic number, because the mean of its divisors is an integer number (15410304).

Almost surely, 2323104431 is an apocalyptic number.

323104431 is a deficient number, since it is larger than the sum of its proper divisors (170025297).

323104431 is a wasteful number, since it uses less digits than its factorization.

323104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

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

The square root of 323104431 is about 17975.1058689511. The cubic root of 323104431 is about 686.1951402226.

Adding to 323104431 its reverse (134401323), we get a palindrome (457505754).

The spelling of 323104431 in words is "three hundred twenty-three million, one hundred four thousand, four hundred thirty-one".

Divisors: 1 3 13 17 39 51 221 311 663 933 1567 4043 4701 5287 12129 15861 20371 26639 61113 68731 79917 206193 346307 487337 1038921 1462011 6335381 8284729 19006143 24854187 107701477 323104431