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13311213132 = 2237315111833
BaseRepresentation
bin11000110010110100…
…01111111001001100
31021100200101200121210
430121122033321030
5204230132310012
610040505254420
7650602305360
oct143132177114
937320350553
1013311213132
115710918498
1226b5a94410
1313419c7599
14903c1b2a0
1552d92823c
hex31968fe4c

13311213132 has 48 divisors (see below), whose sum is σ = 36641626112. Its totient is φ = 3680519040.

The previous prime is 13311213031. The next prime is 13311213169. The reversal of 13311213132 is 23131211331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a junction number, because it is equal to n+sod(n) for n = 13311213099 and 13311213108.

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, 2553313 + ... + 2558520.

Almost surely, 213311213132 is an apocalyptic number.

13311213132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13311213132 is an abundant number, since it is smaller than the sum of its proper divisors (23330412980).

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

13311213132 is a wasteful number, since it uses less digits than its factorization.

13311213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111878 (or 5111876 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

Adding to 13311213132 its reverse (23131211331), we get a palindrome (36442424463).

The spelling of 13311213132 in words is "thirteen billion, three hundred eleven million, two hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 372 434 651 868 1302 2604 5111833 10223666 15335499 20447332 30670998 35782831 61341996 71565662 107348493 143131324 158466823 214696986 316933646 429393972 475400469 633867292 950800938 1109267761 1901601876 2218535522 3327803283 4437071044 6655606566 13311213132