Search a number
-
+
31347562268 = 221143117114149
BaseRepresentation
bin11101001100011101…
…011101011100011100
32222220122222011021202
4131030131131130130
51003144433443033
622222331015032
72156551611551
oct351435353434
988818864252
1031347562268
1112326977560
1260aa29a478
132c57613a19
1417353caa28
15c370b18e8
hex74c75d71c

31347562268 has 48 divisors (see below), whose sum is σ = 61293724800. Its totient is φ = 13904654400.

The previous prime is 31347562237. The next prime is 31347562271. The reversal of 31347562268 is 86226574313.

It is a super-3 number, since 3×313475622683 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208458 + ... + 2222606.

It is an arithmetic number, because the mean of its divisors is an integer number (1276952600).

Almost surely, 231347562268 is an apocalyptic number.

It is an amenable number.

31347562268 is a deficient number, since it is larger than the sum of its proper divisors (29946162532).

31347562268 is a wasteful number, since it uses less digits than its factorization.

31347562268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15378 (or 15376 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The spelling of 31347562268 in words is "thirty-one billion, three hundred forty-seven million, five hundred sixty-two thousand, two hundred sixty-eight".

Divisors: 1 2 4 11 22 43 44 86 172 473 946 1171 1892 2342 4684 12881 14149 25762 28298 50353 51524 56596 100706 155639 201412 311278 553883 608407 622556 1107766 1216814 2215532 2433628 6692477 13384954 16568479 26769908 33136958 66273916 182253269 364506538 712444597 729013076 1424889194 2849778388 7836890567 15673781134 31347562268