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1311022421132 = 2217316139117389
BaseRepresentation
bin10011000100111111000…
…001101001010010001100
311122022222101222110110212
4103010333001221102030
5132434433214434012
62442135252221552
7163501233466064
oct23047701512214
94568871873425
101311022421132
11466001a84346
1219210290a8b8
1396823872218
144764d4143a4
1524181942b22
hex1313f06948c

1311022421132 has 24 divisors (see below), whose sum is σ = 2307713662800. Its totient is φ = 651676195136.

The previous prime is 1311022421101. The next prime is 1311022421143. The reversal of 1311022421132 is 2311242201131.

It is a super-2 number, since 2×13110224211322 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311022421098 and 1311022421107.

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, 11109494 + ... + 11226882.

It is an arithmetic number, because the mean of its divisors is an integer number (96154735950).

Almost surely, 21311022421132 is an apocalyptic number.

It is an amenable number.

1311022421132 is a deficient number, since it is larger than the sum of its proper divisors (996691241668).

1311022421132 is a wasteful number, since it uses less digits than its factorization.

1311022421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133705 (or 133703 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1311022421132 its reverse (2311242201131), we get a palindrome (3622264622263).

The spelling of 1311022421132 in words is "one trillion, three hundred eleven billion, twenty-two million, four hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 173 346 692 16139 32278 64556 117389 234778 469556 2792047 5584094 11168188 20308297 40616594 81233188 1894541071 3789082142 7578164284 327755605283 655511210566 1311022421132