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1030321231000 = 23531139117887
BaseRepresentation
bin11101111111000111110…
…11100101010010011000
310122111102212011112221121
432333203323211102120
5113340044213343000
62105153435415024
7134303214651265
oct16774373452230
93574385145847
101030321231000
11367a58524596
121478245b4474
137620b083249
1437c213d026c
151bc03694b1a
hexefe3ee5498

1030321231000 has 64 divisors (see below), whose sum is σ = 2432287802880. Its totient is φ = 408481292800.

The previous prime is 1030321230997. The next prime is 1030321231001. The reversal of 1030321231000 is 1321230301.

It is a super-2 number, since 2×10303212310002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030321231001) 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, 4445944 + ... + 4671943.

It is an arithmetic number, because the mean of its divisors is an integer number (38004496920).

Almost surely, 21030321231000 is an apocalyptic number.

1030321231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030321231000 is an abundant number, since it is smaller than the sum of its proper divisors (1401966571880).

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

1030321231000 is a wasteful number, since it uses less digits than its factorization.

1030321231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9118021 (or 9118007 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1030321231000 its reverse (1321230301), we get a palindrome (1031642461301).

The spelling of 1030321231000 in words is "one trillion, thirty billion, three hundred twenty-one million, two hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 113 125 200 226 250 452 500 565 904 1000 1130 2260 2825 4520 5650 11300 14125 22600 28250 56500 113000 9117887 18235774 36471548 45589435 72943096 91178870 182357740 227947175 364715480 455894350 911788700 1030321231 1139735875 1823577400 2060642462 2279471750 4121284924 4558943500 5151606155 8242569848 9117887000 10303212310 20606424620 25758030775 41212849240 51516061550 103032123100 128790153875 206064246200 257580307750 515160615500 1030321231000