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2001301231331 = 17683318754083
BaseRepresentation
bin11101000111110110110…
…110010101011011100011
321002022201010100020210002
4131013312312111123203
5230242131103400311
64131215102530215
7264406052534303
oct35076666253343
97068633306702
102001301231331
1170182440a186
12283a4789696b
1311695001093c
146cc13611603
15370d236293b
hex1d1f6d956e3

2001301231331 has 16 divisors (see below), whose sum is σ = 2122832479104. Its totient is φ = 1880194909824.

The previous prime is 2001301231309. The next prime is 2001301231339. The reversal of 2001301231331 is 1331321031002.

It is a cyclic number.

It is not a de Polignac number, because 2001301231331 - 226 = 2001234122467 is a prime.

It is a super-2 number, since 2×20013012313312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001301231339) 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, 36977216 + ... + 37031298.

It is an arithmetic number, because the mean of its divisors is an integer number (132677029944).

Almost surely, 22001301231331 is an apocalyptic number.

2001301231331 is a deficient number, since it is larger than the sum of its proper divisors (121531247773).

2001301231331 is a wasteful number, since it uses less digits than its factorization.

2001301231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57970.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2001301231331 its reverse (1331321031002), we get a palindrome (3332622262333).

The spelling of 2001301231331 in words is "two trillion, one billion, three hundred one million, two hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 17 683 3187 11611 54083 54179 919411 2176721 36938689 37004257 172362521 627957713 2930162857 117723601843 2001301231331