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31322113122 = 238677601631
BaseRepresentation
bin11101001010111100…
…011000010001100010
32222211220002012121210
4131022330120101202
51003121430104442
622220021330550
72156122366026
oct351274302142
988756065553
1031322113122
1112313575203
1260a1866a56
132c52273261
141731c84386
15c34c3619c
hex74af18462

31322113122 has 16 divisors (see below), whose sum is σ = 62651549952. Its totient is φ = 10439483760.

The previous prime is 31322113037. The next prime is 31322113153. The reversal of 31322113122 is 22131122313.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248754 + ... + 352877.

It is an arithmetic number, because the mean of its divisors is an integer number (3915721872).

Almost surely, 231322113122 is an apocalyptic number.

31322113122 is an abundant number, since it is smaller than the sum of its proper divisors (31329436830).

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

31322113122 is a wasteful number, since it uses less digits than its factorization.

31322113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610313.

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

Adding to 31322113122 its reverse (22131122313), we get a palindrome (53453235435).

The spelling of 31322113122 in words is "thirty-one billion, three hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 3 6 8677 17354 26031 52062 601631 1203262 1804893 3609786 5220352187 10440704374 15661056561 31322113122