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31424011422 = 2319377449979
BaseRepresentation
bin11101010001000001…
…000101110010011110
310000002222211011210220
4131101001011302132
51003324021331142
622234101342210
72161500455436
oct352101056236
9100088734726
1031424011422
1112366042981
12610ba07966
132c6a3ccacb
14174160b2c6
15c3db632ec
hex751045c9e

31424011422 has 32 divisors (see below), whose sum is σ = 67943817600. Its totient is φ = 9655171488.

The previous prime is 31424011393. The next prime is 31424011433. The reversal of 31424011422 is 22411042413.

It is a junction number, because it is equal to n+sod(n) for n = 31424011392 and 31424011401.

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, 3720772 + ... + 3729207.

It is an arithmetic number, because the mean of its divisors is an integer number (2123244300).

Almost surely, 231424011422 is an apocalyptic number.

31424011422 is an abundant number, since it is smaller than the sum of its proper divisors (36519806178).

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

31424011422 is a wasteful number, since it uses less digits than its factorization.

31424011422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450040.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31424011422 its reverse (22411042413), we get a palindrome (53835053835).

The spelling of 31424011422 in words is "thirty-one billion, four hundred twenty-four million, eleven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 4218 7449979 14899958 22349937 44699874 141549601 275649223 283099202 424648803 551298446 826947669 849297606 1653895338 5237335237 10474670474 15712005711 31424011422