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3123132320231 = 711229503252779
BaseRepresentation
bin101101011100101001001…
…100010100100111100111
3102001120100110110020111222
4231130221030110213213
5402132133333221411
610350425220250555
7441432062465330
oct55345114244747
912046313406458
103123132320231
11aa4570858400
1242534a840a5b
1319868294a3a1
14ab23624b287
155638e6c94db
hex2d7293149e7

3123132320231 has 48 divisors (see below), whose sum is σ = 4066643750400. Its totient is φ = 2345011394880.

The previous prime is 3123132320219. The next prime is 3123132320237. The reversal of 3123132320231 is 1320232313213.

It is not a de Polignac number, because 3123132320231 - 218 = 3123132058087 is a prime.

It is a super-2 number, since 2×31231323202312 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3123132320231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123132320237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12228800 + ... + 12481578.

It is an arithmetic number, because the mean of its divisors is an integer number (84721744800).

Almost surely, 23123132320231 is an apocalyptic number.

3123132320231 is a deficient number, since it is larger than the sum of its proper divisors (943511430169).

3123132320231 is a wasteful number, since it uses less digits than its factorization.

3123132320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253340 (or 253329 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3123132320231 its reverse (1320232313213), we get a palindrome (4443364633444).

The spelling of 3123132320231 in words is "three trillion, one hundred twenty-three billion, one hundred thirty-two million, three hundred twenty thousand, two hundred thirty-one".

Divisors: 1 7 11 29 77 121 203 319 503 847 2233 3509 3521 5533 14587 24563 38731 60863 102109 160457 252779 426041 1123199 1765027 1769453 2780569 7330591 12355189 19463983 30586259 51314137 80636501 127147837 214103813 564455507 887001511 890034859 1398626207 3687287273 6209010577 9790383449 15384888277 25811010911 40560160003 107694217939 283921120021 446161760033 3123132320231