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20311303330033 = 151197682801739
BaseRepresentation
bin1001001111001000110000…
…00001010001100011110001
32122220202000122121012012221
410213210120001101203301
510130240022123030113
6111110514532521041
74164305013456232
oct447443001214361
978822018535187
1020311303330033
116520a80240501
122340572480181
13b44469b326c1
1450310266d089
15253524a4e98d
hex1279180518f1

20311303330033 has 8 divisors (see below), whose sum is σ = 20549601167040. Its totient is φ = 20074371097200.

The previous prime is 20311303329979. The next prime is 20311303330039. The reversal of 20311303330033 is 33003330311302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20311303330033 - 217 = 20311303198961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20311303330039) 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, 341371123 + ... + 341430616.

It is an arithmetic number, because the mean of its divisors is an integer number (2568700145880).

Almost surely, 220311303330033 is an apocalyptic number.

It is an amenable number.

20311303330033 is a deficient number, since it is larger than the sum of its proper divisors (238297837007).

20311303330033 is a wasteful number, since it uses less digits than its factorization.

20311303330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682802087.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 20311303330033 its reverse (33003330311302), we get a palindrome (53314633641335).

The spelling of 20311303330033 in words is "twenty trillion, three hundred eleven billion, three hundred three million, three hundred thirty thousand, thirty-three".

Divisors: 1 151 197 29747 682801739 103103062589 134511942583 20311303330033