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31475368134 = 23271631532543
BaseRepresentation
bin11101010100000101…
…000000000011000110
310000020120110100222100
4131110011000003012
51003430143240014
622243134212530
72162663133450
oct352405000306
9100216410870
1031475368134
111239202aa41
126125054146
132c77c418b2
1417483792d0
15c4340a009
hex7541400c6

31475368134 has 48 divisors (see below), whose sum is σ = 78417211392. Its totient is φ = 8937784944.

The previous prime is 31475368037. The next prime is 31475368157. The reversal of 31475368134 is 43186357413.

31475368134 is a `hidden beast` number, since 3 + 1 + 4 + 7 + 536 + 81 + 34 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 31475368134.

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, 745734 + ... + 786809.

It is an arithmetic number, because the mean of its divisors is an integer number (1633691904).

Almost surely, 231475368134 is an apocalyptic number.

31475368134 is an abundant number, since it is smaller than the sum of its proper divisors (46941843258).

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

31475368134 is a wasteful number, since it uses less digits than its factorization.

31475368134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532721 (or 1532718 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 31475368134 in words is "thirty-one billion, four hundred seventy-five million, three hundred sixty-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 163 326 489 978 1141 1467 2282 2934 3423 6846 10269 20538 1532543 3065086 4597629 9195258 10727801 13792887 21455602 27585774 32183403 64366806 96550209 193100418 249804509 499609018 749413527 1498827054 1748631563 2248240581 3497263126 4496481162 5245894689 10491789378 15737684067 31475368134