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2231031100002 = 232357728018877
BaseRepresentation
bin100000011101110011110…
…100001111001001100010
321220021200101121202010120
4200131303310033021202
5243023122430200002
64424531015141110
7320121013311255
oct40356364171142
97807611552116
102231031100002
117901a1990781
1230047b974796
13132501754383
1479da7d0109c
153d07a851cbc
hex20773d0f262

2231031100002 has 32 divisors (see below), whose sum is σ = 4664134507392. Its totient is φ = 710110393344.

The previous prime is 2231031099977. The next prime is 2231031100007. The reversal of 2231031100002 is 2000011301322.

It is a super-3 number, since 3×22310311000023 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2231031100007) 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, 13929813 + ... + 14089064.

It is an arithmetic number, because the mean of its divisors is an integer number (145754203356).

Almost surely, 22231031100002 is an apocalyptic number.

2231031100002 is an abundant number, since it is smaller than the sum of its proper divisors (2433103407390).

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

2231031100002 is a wasteful number, since it uses less digits than its factorization.

2231031100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28019482.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2231031100002 its reverse (2000011301322), we get a palindrome (4231042401324).

The spelling of 2231031100002 in words is "two trillion, two hundred thirty-one billion, thirty-one million, one hundred thousand, two".

Divisors: 1 2 3 6 23 46 69 138 577 1154 1731 3462 13271 26542 39813 79626 28018877 56037754 84056631 168113262 644434171 1288868342 1933302513 3866605026 16166892029 32333784058 48500676087 97001352174 371838516667 743677033334 1115515550001 2231031100002