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2031232321338 = 231123319842977
BaseRepresentation
bin11101100011101110111…
…000011000011100111010
321012011222001222011102020
4131203232320120130322
5231234430433240323
64153045114015310
7266515554566343
oct35435670303472
97164861864366
102031232321338
11713493767100
122897bb717536
1311971002939c
147045283d0ca
1537c84dc8ae3
hex1d8eee1873a

2031232321338 has 48 divisors (see below), whose sum is σ = 4466704388160. Its totient is φ = 615338760960.

The previous prime is 2031232321337. The next prime is 2031232321357. The reversal of 2031232321338 is 8331232321302.

It is a super-2 number, since 2×20312323213382 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 2031232321299 and 2031232321308.

It is not an unprimeable number, because it can be changed into a prime (2031232321337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1988106 + ... + 2831082.

It is an arithmetic number, because the mean of its divisors is an integer number (93056341420).

Almost surely, 22031232321338 is an apocalyptic number.

2031232321338 is an abundant number, since it is smaller than the sum of its proper divisors (2435472066822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031232321338 is a wasteful number, since it uses less digits than its factorization.

2031232321338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846323 (or 846312 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 2031232321338 in words is "two trillion, thirty-one billion, two hundred thirty-two million, three hundred twenty-one thousand, three hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 121 242 363 726 3319 6638 9957 19914 36509 73018 109527 219054 401599 803198 842977 1204797 1685954 2409594 2528931 5057862 9272747 18545494 27818241 55636482 102000217 204000434 306000651 612001302 2797840663 5595681326 8393521989 16787043978 30776247293 61552494586 92328741879 184657483758 338538720223 677077440446 1015616160669 2031232321338