Search a number
-
+
31303302033304 = 2374150051272399
BaseRepresentation
bin1110001111000010111100…
…01100101010111110011000
311002211120021221101212212001
413013201132030222332120
513100333130310031204
6150324312144530344
76410406002032060
oct707413614527630
9132746257355761
1031303302033304
119a79723a16794
1236169586209b4
131460b7267b342
147a31332c03a0
1539440da544a4
hex1c785e32af98

31303302033304 has 64 divisors (see below), whose sum is σ = 68716190592000. Its totient is φ = 13088179104000.

The previous prime is 31303302033281. The next prime is 31303302033319. The reversal of 31303302033304 is 40333020330313.

It is a super-4 number, since 4×313033020333044 (a number of 55 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 114780897 + ... + 115053295.

It is an arithmetic number, because the mean of its divisors is an integer number (1073690478000).

Almost surely, 231303302033304 is an apocalyptic number.

It is an amenable number.

31303302033304 is an abundant number, since it is smaller than the sum of its proper divisors (37412888558696).

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

31303302033304 is a wasteful number, since it uses less digits than its factorization.

31303302033304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322504 (or 322500 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 28.

Adding to 31303302033304 its reverse (40333020330313), we get a palindrome (71636322363617).

The spelling of 31303302033304 in words is "thirty-one trillion, three hundred three billion, three hundred two million, thirty-three thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 50051 100102 200204 272399 350357 400408 544798 700714 1089596 1401428 1906793 2052091 2179192 2802856 3813586 4104182 7627172 8208364 11168359 14364637 15254344 16416728 22336718 28729274 44673436 57458548 78178513 89346872 114917096 156357026 312714052 625428104 13633842349 27267684698 54535369396 95436896443 109070738792 190873792886 381747585772 558987536309 763495171544 1117975072618 2235950145236 3912912754163 4471900290472 7825825508326 15651651016652 31303302033304