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31422101000 = 235331422101
BaseRepresentation
bin11101010000111001…
…110011011000001000
310000002212020010012112
4131100321303120020
51003323024213000
622233552401452
72161445310623
oct352071633010
9100085203175
1031422101000
1112364a58614
12610b246288
132c69bb1394
141741270dba
15c3d8d7235
hex750e73608

31422101000 has 32 divisors (see below), whose sum is σ = 73527718680. Its totient is φ = 12568840000.

The previous prime is 31422100961. The next prime is 31422101033. The reversal of 31422101000 is 10122413.

It can be written as a sum of positive squares in 4 ways, for example, as 11895392356 + 19526708644 = 109066^2 + 139738^2 .

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, 15710051 + ... + 15712050.

Almost surely, 231422101000 is an apocalyptic number.

It is an amenable number.

31422101000 is an abundant number, since it is smaller than the sum of its proper divisors (42105617680).

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

31422101000 is a wasteful number, since it uses less digits than its factorization.

31422101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31422122 (or 31422108 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 31422101000 its reverse (10122413), we get a palindrome (31432223413).

The spelling of 31422101000 in words is "thirty-one billion, four hundred twenty-two million, one hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 31422101 62844202 125688404 157110505 251376808 314221010 628442020 785552525 1256884040 1571105050 3142210100 3927762625 6284420200 7855525250 15711050500 31422101000