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31442414232 = 23341101316373
BaseRepresentation
bin11101010010000111…
…010010101010011000
310000011021110010201110
4131102013102222120
51003343224223412
622240000020320
72162113053105
oct352207225230
9100137403643
1031442414232
1112375472209
1261160016a0
132c71174248
141743c3baac
15c4059ad3c
hex7521d2a98

31442414232 has 64 divisors (see below), whose sum is σ = 81320772960. Its totient is φ = 10123904000.

The previous prime is 31442414203. The next prime is 31442414279. The reversal of 31442414232 is 23241424413.

It is a super-2 number, since 2×314424142322 (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31442414232.

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, 58803 + ... + 257570.

Almost surely, 231442414232 is an apocalyptic number.

It is an amenable number.

31442414232 is an abundant number, since it is smaller than the sum of its proper divisors (49878358728).

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

31442414232 is a wasteful number, since it uses less digits than its factorization.

31442414232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316524 (or 316520 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 31442414232 its reverse (23241424413), we get a palindrome (54683838645).

The spelling of 31442414232 in words is "thirty-one billion, four hundred forty-two million, four hundred fourteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 41 82 101 123 164 202 246 303 328 404 492 606 808 984 1212 2424 4141 8282 12423 16564 24846 33128 49692 99384 316373 632746 949119 1265492 1898238 2530984 3796476 7592952 12971293 25942586 31953673 38913879 51885172 63907346 77827758 95861019 103770344 127814692 155655516 191722038 255629384 311311032 383444076 766888152 1310100593 2620201186 3930301779 5240402372 7860603558 10480804744 15721207116 31442414232