Search a number
-
+
31333413221407 = 11193491321325187
BaseRepresentation
bin1110001111111011000001…
…11101101111010000011111
311002221110000102220201122001
413013331200331233100133
513101331312241041112
6150350212112103131
76412523121641353
oct707754075572037
9132843012821561
1031333413221407
119a904759a3010
123620760834aa7
131463960aa34cb
147a478c3cd463
153950c22e2c57
hex1c7f60f6f41f

31333413221407 has 32 divisors (see below), whose sum is σ = 36111477024000. Its totient is φ = 26887939372800.

The previous prime is 31333413221399. The next prime is 31333413221431. The reversal of 31333413221407 is 70412231433313.

It is not a de Polignac number, because 31333413221407 - 23 = 31333413221399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31333413221437) 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, 96192468 + ... + 96517654.

It is an arithmetic number, because the mean of its divisors is an integer number (1128483657000).

Almost surely, 231333413221407 is an apocalyptic number.

31333413221407 is a deficient number, since it is larger than the sum of its proper divisors (4778063802593).

31333413221407 is a wasteful number, since it uses less digits than its factorization.

31333413221407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326887.

The product of its (nonzero) digits is 108864, while the sum is 37.

The spelling of 31333413221407 in words is "thirty-one trillion, three hundred thirty-three billion, four hundred thirteen million, two hundred twenty-one thousand, four hundred seven".

Divisors: 1 11 19 209 349 1321 3839 6631 14531 25099 72941 276089 325187 461029 3577057 5071319 6178553 8759551 67964083 96355061 113490263 429572027 1248392893 2156314997 4725292297 8161868513 23719464967 89780553643 149920637423 1649127011653 2848492111037 31333413221407