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31430112010 = 2511285728291
BaseRepresentation
bin11101010001011000…
…010111001100001010
310000010102022010020121
4131101120113030022
51003332102041020
622234440213454
72161603354423
oct352130271412
9100112263217
1031430112010
111236952a390
126111a6a28a
132c6b75781b
14174235864a
15c3e46abaa
hex75161730a

31430112010 has 16 divisors (see below), whose sum is σ = 61717311072. Its totient is φ = 11429131600.

The previous prime is 31430111969. The next prime is 31430112013. The reversal of 31430112010 is 1021103413.

It is a super-2 number, since 2×314301120102 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31430112013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142864036 + ... + 142864255.

It is an arithmetic number, because the mean of its divisors is an integer number (3857331942).

Almost surely, 231430112010 is an apocalyptic number.

31430112010 is a deficient number, since it is larger than the sum of its proper divisors (30287199062).

31430112010 is a wasteful number, since it uses less digits than its factorization.

31430112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285728309.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31430112010 its reverse (1021103413), we get a palindrome (32451215423).

The spelling of 31430112010 in words is "thirty-one billion, four hundred thirty million, one hundred twelve thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 285728291 571456582 1428641455 2857282910 3143011201 6286022402 15715056005 31430112010