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31430130003 = 331164078889
BaseRepresentation
bin11101010001011000…
…011011100101010011
310000010102100000221000
4131101120123211103
51003332103130003
622234440433043
72161603461036
oct352130334523
9100112300830
1031430130003
1112369541958
126111a78783
132c6b762a7c
14174236101d
15c3e4711a3
hex75161b953

31430130003 has 8 divisors (see below), whose sum is σ = 46563155600. Its totient is φ = 20953419984.

The previous prime is 31430129999. The next prime is 31430130059. The reversal of 31430130003 is 30003103413.

It is not a de Polignac number, because 31430130003 - 22 = 31430129999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31430130203) 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, 582039418 + ... + 582039471.

It is an arithmetic number, because the mean of its divisors is an integer number (5820394450).

Almost surely, 231430130003 is an apocalyptic number.

31430130003 is a deficient number, since it is larger than the sum of its proper divisors (15133025597).

31430130003 is a wasteful number, since it uses less digits than its factorization.

31430130003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164078898 (or 1164078892 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31430130003 its reverse (30003103413), we get a palindrome (61433233416).

The spelling of 31430130003 in words is "thirty-one billion, four hundred thirty million, one hundred thirty thousand, three".

Divisors: 1 3 9 27 1164078889 3492236667 10476710001 31430130003