Search a number
-
+
31424402022 = 23132719148171
BaseRepresentation
bin11101010001000010…
…100101001001100110
310000010000120000121120
4131101002211021212
51003324121331042
622234113554410
72161504003266
oct352102451146
9100100500546
1031424402022
111236628a392
12610bb75a06
132c6a508830
1417416ad7a6
15c3dbdddec
hex7510a5266

31424402022 has 32 divisors (see below), whose sum is σ = 67708677120. Its totient is φ = 9665425440.

The previous prime is 31424401969. The next prime is 31424402047. The reversal of 31424402022 is 22020442413.

It is a junction number, because it is equal to n+sod(n) for n = 31424401983 and 31424402001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137997 + ... + 286167.

It is an arithmetic number, because the mean of its divisors is an integer number (2115896160).

Almost surely, 231424402022 is an apocalyptic number.

31424402022 is an abundant number, since it is smaller than the sum of its proper divisors (36284275098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31424402022 is a wasteful number, since it uses less digits than its factorization.

31424402022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150908.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 31424402022 its reverse (22020442413), we get a palindrome (53444844435).

The spelling of 31424402022 in words is "thirty-one billion, four hundred twenty-four million, four hundred two thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 78 2719 5438 8157 16314 35347 70694 106041 148171 212082 296342 444513 889026 1926223 3852446 5778669 11557338 402876949 805753898 1208630847 2417261694 5237400337 10474800674 15712201011 31424402022