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31035316164 = 22329409921757
BaseRepresentation
bin11100111001110110…
…010101011111000100
32222002220102102011020
4130321312111133010
51002030020104124
622131334311140
72146040556216
oct347166253704
988086372136
1031035316164
1112186699426
1260217b84b0
132c07a18c08
141705b4a5b6
15c19984379
hex739d957c4

31035316164 has 48 divisors (see below), whose sum is σ = 74934552000. Its totient is φ = 9985481856.

The previous prime is 31035316163. The next prime is 31035316183. The reversal of 31035316164 is 46161353013.

It is not an unprimeable number, because it can be changed into a prime (31035316163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415574 + ... + 1437330.

It is an arithmetic number, because the mean of its divisors is an integer number (1561136500).

Almost surely, 231035316164 is an apocalyptic number.

It is an amenable number.

31035316164 is an abundant number, since it is smaller than the sum of its proper divisors (43899235836).

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

31035316164 is a wasteful number, since it uses less digits than its factorization.

31035316164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25892 (or 25890 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 31035316164 its reverse (46161353013), we get a palindrome (77196669177).

The spelling of 31035316164 in words is "thirty-one billion, thirty-five million, three hundred sixteen thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 4099 8198 12297 16396 21757 24594 43514 49188 65271 87028 118871 130542 237742 261084 356613 475484 630953 713226 1261906 1426452 1892859 2523812 3785718 7571436 89181943 178363886 267545829 356727772 535091658 1070183316 2586276347 5172552694 7758829041 10345105388 15517658082 31035316164