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31321100021032 = 23171792551504353
BaseRepresentation
bin1110001111100100000110…
…00010100110110100101000
311002220021020022110100010201
413013302003002212310220
513101131103101133112
6150340414213321544
76411606025316113
oct707620302466450
9132807208410121
1031321100021032
119a86227471358
12361a2a50362b4
13146274aa9b723
147a3d40d6357a
15394b01307257
hex1c7c830a6d28

31321100021032 has 64 divisors (see below), whose sum is σ = 62553614428800. Its totient is φ = 14651223859200.

The previous prime is 31321100021023. The next prime is 31321100021047. The reversal of 31321100021032 is 23012000112313.

It is a super-2 number, since 2×313211000210322 (a number of 28 digits) contains 22 as substring.

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, 61849368 + ... + 62353720.

It is an arithmetic number, because the mean of its divisors is an integer number (977400225450).

Almost surely, 231321100021032 is an apocalyptic number.

It is an amenable number.

31321100021032 is a deficient number, since it is larger than the sum of its proper divisors (31232514407768).

31321100021032 is a wasteful number, since it uses less digits than its factorization.

31321100021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507106 (or 507102 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31321100021032 its reverse (23012000112313), we get a palindrome (54333100133345).

The spelling of 31321100021032 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred million, twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 17 34 68 136 179 358 716 1432 2551 3043 5102 6086 10204 12172 20408 24344 43367 86734 173468 346936 456629 504353 913258 1008706 1826516 2017412 3653032 4034824 7762693 8574001 15525386 17148002 31050772 34296004 62101544 68592008 90279187 180558374 361116748 722233496 1286604503 1534746179 2573209006 3069492358 5146418012 6138984716 10292836024 12277969432 21872276551 43744553102 87489106204 174978212408 230302206037 460604412074 921208824148 1842417648296 3915137502629 7830275005258 15660550010516 31321100021032