Search a number
-
+
323031013231031 = 7371831681170939
BaseRepresentation
bin100100101110010111000010…
…0110010111000100110110111
31120100202110111201112202000022
41021130232010302320212313
5314320020003341343111
63103010222051035355
7125020135434053210
oct11134560462704667
91510673451482008
10323031013231031
1193a22757627786
12302916a889bb5b
1310b329034a1111
1459aaada7c8407
152752ba09a92db
hex125cb84cb89b7

323031013231031 has 16 divisors (see below), whose sum is σ = 379363169272320. Its totient is φ = 269253248372640.

The previous prime is 323031013231013. The next prime is 323031013231033. The reversal of 323031013231031 is 130132310130323.

It is a de Polignac number, because none of the positive numbers 2k-323031013231031 is a prime.

It is a super-2 number, since 2×3230310132310312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323031013231033) 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, 340111241 + ... + 341059698.

It is an arithmetic number, because the mean of its divisors is an integer number (23710198079520).

Almost surely, 2323031013231031 is an apocalyptic number.

323031013231031 is a deficient number, since it is larger than the sum of its proper divisors (56332156041289).

323031013231031 is a wasteful number, since it uses less digits than its factorization.

323031013231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681172814.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 323031013231031 its reverse (130132310130323), we get a palindrome (453163323361354).

The spelling of 323031013231031 in words is "three hundred twenty-three trillion, thirty-one billion, thirteen million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 7 37 259 1831 12817 67747 474229 681170939 4768196573 25203324743 176423273201 1247223989309 8730567925163 46147287604433 323031013231031