Search a number
-
+
31234024404 = 223211731080463
BaseRepresentation
bin11101000101101100…
…010110001111010100
32222121202022211121200
4131011230112033110
51002431402240104
622203153312500
72154002553432
oct350554261724
988552284550
1031234024404
1112278879910
126078265730
132c39c4025b
1417242b3d52
15c2c135b39
hex745b163d4

31234024404 has 72 divisors (see below), whose sum is σ = 87310134912. Its totient is φ = 9335191680.

The previous prime is 31234024319. The next prime is 31234024411. The reversal of 31234024404 is 40442043213.

It is a happy number.

31234024404 is a `hidden beast` number, since 3 + 1 + 234 + 0 + 24 + 404 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511324 + ... + 569139.

Almost surely, 231234024404 is an apocalyptic number.

It is an amenable number.

31234024404 is an abundant number, since it is smaller than the sum of its proper divisors (56076110508).

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

31234024404 is a wasteful number, since it uses less digits than its factorization.

31234024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080557 (or 1080552 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 31234024404 its reverse (40442043213), we get a palindrome (71676067617).

The spelling of 31234024404 in words is "thirty-one billion, two hundred thirty-four million, twenty-four thousand, four hundred four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 73 99 132 146 198 219 292 396 438 657 803 876 1314 1606 2409 2628 3212 4818 7227 9636 14454 28908 1080463 2160926 3241389 4321852 6482778 9724167 11885093 12965556 19448334 23770186 35655279 38896668 47540372 71310558 78873799 106965837 142621116 157747598 213931674 236621397 315495196 427863348 473242794 709864191 867611789 946485588 1419728382 1735223578 2602835367 2839456764 3470447156 5205670734 7808506101 10411341468 15617012202 31234024404