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213003033102321 = 37117112987197921
BaseRepresentation
bin110000011011100110100010…
…000111111100011111110001
31000221011220001121110011000220
4300123212202013330133301
5210404320202433233241
62033004124220003253
762602650504121140
oct6033464207743761
91027156047404026
10213003033102321
1161962096232780
121ba814b8990529
1391b113b44b8a7
143a8558a7cb757
151995a6eb58166
hexc1b9a21fc7f1

213003033102321 has 32 divisors (see below), whose sum is σ = 359070048147456. Its totient is φ = 109092462528000.

The previous prime is 213003033102319. The next prime is 213003033102331. The reversal of 213003033102321 is 123201330300312.

It is not a de Polignac number, because 213003033102321 - 21 = 213003033102319 is a prime.

It is a super-2 number, since 2×2130030331023212 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213003033102291 and 213003033102300.

It is not an unprimeable number, because it can be changed into a prime (213003033102331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6493582560 + ... + 6493615361.

It is an arithmetic number, because the mean of its divisors is an integer number (11220939004608).

Almost surely, 2213003033102321 is an apocalyptic number.

213003033102321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

213003033102321 is a deficient number, since it is larger than the sum of its proper divisors (146067015045135).

213003033102321 is a wasteful number, since it uses less digits than its factorization.

213003033102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987198013.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 213003033102321 its reverse (123201330300312), we get a palindrome (336204363402633).

The spelling of 213003033102321 in words is "two hundred thirteen trillion, three billion, thirty-three million, one hundred two thousand, three hundred twenty-one".

Divisors: 1 3 7 11 21 33 71 77 213 231 497 781 1491 2343 5467 16401 12987197921 38961593763 90910385447 142859177131 272731156341 428577531393 922091052391 1000014239917 2766273157173 3000042719751 6454637366737 10143001576301 19363912100211 30429004728903 71001011034107 213003033102321