Search a number
-
+
31022022323131 = 75769776810189
BaseRepresentation
bin1110000110110111000001…
…00111101110101110111011
311001211200021002000010000121
413003123200213232232323
513031231100203320011
6145551153104314111
76351160426660030
oct703334047565673
9131750232003017
1031022022323131
11998040294a2a4
123590338612937
131440497074708
1479368c505387
1538be49acce71
hex1c36e09eebbb

31022022323131 has 8 divisors (see below), whose sum is σ = 35454354740960. Its totient is φ = 26589843641088.

The previous prime is 31022022323099. The next prime is 31022022323137. The reversal of 31022022323131 is 13132322022013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31022022323131 - 25 = 31022022323099 is a prime.

It is a super-2 number, since 2×310220223231312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31022022323096 and 31022022323105.

It is not an unprimeable number, because it can be changed into a prime (31022022323137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38001216 + ... + 38808973.

It is an arithmetic number, because the mean of its divisors is an integer number (4431794342620).

Almost surely, 231022022323131 is an apocalyptic number.

31022022323131 is a deficient number, since it is larger than the sum of its proper divisors (4432332417829).

31022022323131 is an equidigital number, since it uses as much as digits as its factorization.

31022022323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76867893.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31022022323131 its reverse (13132322022013), we get a palindrome (44154344345144).

The spelling of 31022022323131 in words is "thirty-one trillion, twenty-two billion, twenty-two million, three hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 7 57697 403879 76810189 537671323 4431717474733 31022022323131