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2231432231031 = 32962332576423
BaseRepresentation
bin100000011110001011101…
…110011011100001110111
321220022201100102022110100
4200132023232123201313
5243024433122343111
64425034504525143
7320133654003423
oct40361356334167
97808640368410
102231432231031
11790388359423
123005721807b3
131325668a0703
147a0052bbb83
153d0a0b8a756
hex2078bb9b877

2231432231031 has 12 divisors (see below), whose sum is σ = 3223214633808. Its totient is φ = 1487605451424.

The previous prime is 2231432231011. The next prime is 2231432231059. The reversal of 2231432231031 is 1301322341322.

2231432231031 is a `hidden beast` number, since 2 + 2 + 314 + 3 + 2 + 2 + 310 + 31 = 666.

It is not a de Polignac number, because 2231432231031 - 25 = 2231432230999 is a prime.

It is a super-3 number, since 3×22314322310313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231432230986 and 2231432231004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231432231011) 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 11 ways as a sum of consecutive naturals, for example, 422115 + ... + 2154308.

It is an arithmetic number, because the mean of its divisors is an integer number (268601219484).

Almost surely, 22231432231031 is an apocalyptic number.

2231432231031 is a deficient number, since it is larger than the sum of its proper divisors (991782402777).

2231432231031 is a wasteful number, since it uses less digits than its factorization.

2231432231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672662 (or 2672659 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 2231432231031 its reverse (1301322341322), we get a palindrome (3532754572353).

The spelling of 2231432231031 in words is "two trillion, two hundred thirty-one billion, four hundred thirty-two million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 3 9 96233 288699 866097 2576423 7729269 23187807 247936914559 743810743677 2231432231031