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20300310233131 = 307317983212203
BaseRepresentation
bin1001001110110100010001…
…10001111100000000101011
32122212200122112011000020211
410213122020301330000223
510130100013404430011
6111101500032401551
74163435416624105
oct447321061740053
978780575130224
1020300310233131
116517349998055
12233a4049a62b7
13b43407484136
1450277c678575
152530ce8c5b21
hex127688c7c02b

20300310233131 has 16 divisors (see below), whose sum is σ = 20451562838784. Its totient is φ = 20149741069344.

The previous prime is 20300310233123. The next prime is 20300310233153. The reversal of 20300310233131 is 13133201300302.

It is a cyclic number.

It is not a de Polignac number, because 20300310233131 - 23 = 20300310233123 is a prime.

It is a super-2 number, since 2×203003102331312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300310233111) 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, 95558476 + ... + 95770678.

It is an arithmetic number, because the mean of its divisors is an integer number (1278222677424).

Almost surely, 220300310233131 is an apocalyptic number.

20300310233131 is a deficient number, since it is larger than the sum of its proper divisors (151252605653).

20300310233131 is a wasteful number, since it uses less digits than its factorization.

20300310233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213810.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20300310233131 its reverse (13133201300302), we get a palindrome (33433511533433).

The spelling of 20300310233131 in words is "twenty trillion, three hundred billion, three hundred ten million, two hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 307 317 983 97319 212203 301781 311611 65146321 67268351 95664577 208595549 20651383757 64038833543 66124789033 20300310233131