Search a number
-
+
320101423131 = 3782118566291
BaseRepresentation
bin1001010100001111000…
…10000001100000011011
31010121020102022010101010
410222013202001200123
520221031431020011
6403015204225003
732061261126450
oct4520742014033
91117212263333
10320101423131
111138329a9a96
125205539b163
1324254527a19
14116c8aa9827
1584d72b11a6
hex4a8788181b

320101423131 has 16 divisors (see below), whose sum is σ = 488367744768. Its totient is φ = 182692293600.

The previous prime is 320101423097. The next prime is 320101423133. The reversal of 320101423131 is 131324101023.

It is a de Polignac number, because none of the positive numbers 2k-320101423131 is a prime.

It is a super-2 number, since 2×3201014231312 (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 320101423098 and 320101423107.

It is not an unprimeable number, because it can be changed into a prime (320101423133) 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, 9265905 + ... + 9300386.

It is an arithmetic number, because the mean of its divisors is an integer number (30522984048).

Almost surely, 2320101423131 is an apocalyptic number.

320101423131 is a deficient number, since it is larger than the sum of its proper divisors (168266321637).

320101423131 is a wasteful number, since it uses less digits than its factorization.

320101423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18567122.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320101423131 its reverse (131324101023), we get a palindrome (451425524154).

The spelling of 320101423131 in words is "three hundred twenty billion, one hundred one million, four hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 7 21 821 2463 5747 17241 18566291 55698873 129964037 389892111 15242924911 45728774733 106700474377 320101423131