Search a number
-
+
31234040144223 = 3723193507334183
BaseRepresentation
bin1110001101000001111011…
…10111100010000101011111
311002120221111221221100210220
413012200331313202011133
513043214303234103343
6150232415302132423
76402404426503230
oct706407567420537
9132527457840726
1031234040144223
119a52311434344
123605448a21113
131457485127b17
1479da42723087
15392708143183
hex1c683dde215f

31234040144223 has 32 divisors (see below), whose sum is σ = 49664469098496. Its totient is φ = 17071882632288.

The previous prime is 31234040144179. The next prime is 31234040144231. The reversal of 31234040144223 is 32244104043213.

It is not a de Polignac number, because 31234040144223 - 26 = 31234040144159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234040144123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93296790 + ... + 93630972.

It is an arithmetic number, because the mean of its divisors is an integer number (1552014659328).

Almost surely, 231234040144223 is an apocalyptic number.

31234040144223 is a deficient number, since it is larger than the sum of its proper divisors (18430428954273).

31234040144223 is a wasteful number, since it uses less digits than its factorization.

31234040144223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527723.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 31234040144223 its reverse (32244104043213), we get a palindrome (63478144187436).

The spelling of 31234040144223 in words is "thirty-one trillion, two hundred thirty-four billion, forty million, one hundred forty-four thousand, two hundred twenty-three".

Divisors: 1 3 7 21 23 69 161 483 193507 334183 580521 1002549 1354549 2339281 4063647 4450661 7017843 7686209 13351983 23058627 31154627 53803463 93463881 161410389 64666749781 194000249343 452667248467 1358001745401 1487335244963 4462005734889 10411346714741 31234040144223