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1331330013211 = 113111304329837
BaseRepresentation
bin10011010111111001011…
…100111101100000011011
311201021101200022000201211
4103113321130331200123
5133303030440410321
62455334330323551
7165120412252642
oct23277134754033
94637350260654
101331330013211
114736830a28a0
1219602b8895b7
139870bba54b3
14486184c8359
152496e6bc0e1
hex135f973d81b

1331330013211 has 16 divisors (see below), whose sum is σ = 1457190528768. Its totient is φ = 1206275447200.

The previous prime is 1331330013131. The next prime is 1331330013301. The reversal of 1331330013211 is 1123100331331.

It is a cyclic number.

It is not a de Polignac number, because 1331330013211 - 211 = 1331330011163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331430013211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44605185 + ... + 44635021.

It is an arithmetic number, because the mean of its divisors is an integer number (91074408048).

Almost surely, 21331330013211 is an apocalyptic number.

1331330013211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1331330013211 is a deficient number, since it is larger than the sum of its proper divisors (125860515557).

1331330013211 is a wasteful number, since it uses less digits than its factorization.

1331330013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43202.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1331330013211 its reverse (1123100331331), we get a palindrome (2454430344542).

The spelling of 1331330013211 in words is "one trillion, three hundred thirty-one billion, three hundred thirty million, thirteen thousand, two hundred eleven".

Divisors: 1 11 311 3421 13043 29837 143473 328207 4056373 9279307 44620103 102072377 389163991 4280803901 121030001201 1331330013211