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1021332331331 = 131032413164969
BaseRepresentation
bin11101101110011000010…
…01101001101101000011
310121122020101222010201122
432313030021221231003
5113213142034100311
62101105452222455
7133534365401564
oct16671411515503
93548211863648
101021332331331
11364165525194
12145b3616aa2b
13754079bb5c0
143760b66816b
151b87945c0db
hexedcc269b43

1021332331331 has 16 divisors (see below), whose sum is σ = 1115183509440. Its totient is φ = 929740999680.

The previous prime is 1021332331319. The next prime is 1021332331333. The reversal of 1021332331331 is 1331332331201.

Adding to 1021332331331 its reverse (1331332331201), we get a palindrome (2352664662532).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1021332331331 is a prime.

It is a super-2 number, since 2×10213323313312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021332331331.

It is not an unprimeable number, because it can be changed into a prime (1021332331333) 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, 1259786 + ... + 1905183.

It is an arithmetic number, because the mean of its divisors is an integer number (69698969340).

Almost surely, 21021332331331 is an apocalyptic number.

1021332331331 is a deficient number, since it is larger than the sum of its proper divisors (93851178109).

1021332331331 is a wasteful number, since it uses less digits than its factorization.

1021332331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165326.

The product of its (nonzero) digits is 2916, while the sum is 26.

The spelling of 1021332331331 in words is "one trillion, twenty-one billion, three hundred thirty-two million, three hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 13 103 241 1339 3133 24823 322699 3164969 41144597 325991807 762757529 4237893491 9915847877 78564025487 1021332331331