Search a number
-
+
320101331 = 1143676747
BaseRepresentation
bin10011000101000…
…101101111010011
3211022022211110212
4103011011233103
51123421220311
651432514335
710634550014
oct2305055723
9738284425
10320101331
11154763960
128b24b9ab
1351418394
143072700b
151d17ec8b
hex13145bd3

320101331 has 8 divisors (see below), whose sum is σ = 357322944. Its totient is φ = 284233320.

The previous prime is 320101321. The next prime is 320101339. The reversal of 320101331 is 133101023.

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 320101331 - 218 = 319839187 is a prime.

It is a super-2 number, since 2×3201013312 = 204929724215943122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320101339) 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, 337901 + ... + 338846.

It is an arithmetic number, because the mean of its divisors is an integer number (44665368).

Almost surely, 2320101331 is an apocalyptic number.

320101331 is a deficient number, since it is larger than the sum of its proper divisors (37221613).

320101331 is a wasteful number, since it uses less digits than its factorization.

320101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676801.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 320101331 is about 17891.3758833691. The cubic root of 320101331 is about 684.0625683733.

Adding to 320101331 its reverse (133101023), we get a palindrome (453202354).

The spelling of 320101331 in words is "three hundred twenty million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 11 43 473 676747 7444217 29100121 320101331