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21332001023031 = 319374245631983
BaseRepresentation
bin1001101100110101111100…
…10101111110010000110111
32210112022121211101100211010
410312122332111332100313
510244000414230214111
6113211441434443303
74331120604634446
oct466327625762067
983468554340733
1021332001023031
11688493a4a94a6
12248634bb93533
13bb97a31b815a
1453a68d8d4d5d
1526ed633eaaa6
hex1366be57e437

21332001023031 has 8 divisors (see below), whose sum is σ = 29939650558720. Its totient is φ = 13472842751352.

The previous prime is 21332001023009. The next prime is 21332001023041. The reversal of 21332001023031 is 13032010023312.

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

It is not a de Polignac number, because 21332001023031 - 215 = 21332000990263 is a prime.

It is a super-2 number, since 2×213320010230312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21332001022989 and 21332001023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332001023041) 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, 187122815935 + ... + 187122816048.

It is an arithmetic number, because the mean of its divisors is an integer number (3742456319840).

Almost surely, 221332001023031 is an apocalyptic number.

21332001023031 is a deficient number, since it is larger than the sum of its proper divisors (8607649535689).

21332001023031 is a wasteful number, since it uses less digits than its factorization.

21332001023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374245632005.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21332001023031 its reverse (13032010023312), we get a palindrome (34364011046343).

The spelling of 21332001023031 in words is "twenty-one trillion, three hundred thirty-two billion, one million, twenty-three thousand, thirty-one".

Divisors: 1 3 19 57 374245631983 1122736895949 7110667007677 21332001023031