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1021032031330 = 25593172180781
BaseRepresentation
bin11101101101110100100…
…00000110010001100010
310121121110110220022120101
432312322100012101202
5113212033200000310
62101020003533014
7133524061032433
oct16667220062142
93547413808511
101021032031330
11364020a66373
12145a7168a16a
137538a7170ac
14375bd81748a
151b85cdde43a
hexedba406462

1021032031330 has 16 divisors (see below), whose sum is σ = 1840956921144. Its totient is φ = 407724087040.

The previous prime is 1021032031273. The next prime is 1021032031339. The reversal of 1021032031330 is 331302301201.

It can be written as a sum of positive squares in 4 ways, for example, as 1000122003721 + 20910027609 = 1000061^2 + 144603^2 .

It is a super-2 number, since 2×10210320313302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021032031298 and 1021032031307.

It is not an unprimeable number, because it can be changed into a prime (1021032031339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86084461 + ... + 86096320.

Almost surely, 21021032031330 is an apocalyptic number.

1021032031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021032031330 is a deficient number, since it is larger than the sum of its proper divisors (819924889814).

1021032031330 is a wasteful number, since it uses less digits than its factorization.

1021032031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172181381.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1021032031330 its reverse (331302301201), we get a palindrome (1352334332531).

The spelling of 1021032031330 in words is "one trillion, twenty-one billion, thirty-two million, thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 593 1186 2965 5930 172180781 344361562 860903905 1721807810 102103203133 204206406266 510516015665 1021032031330