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324030031 = 1324925387
BaseRepresentation
bin10011010100000…
…100111001001111
3211120201102122021
4103110010321033
51130422430111
652053031011
711013131653
oct2324047117
9746642567
10324030031
111569a7616
1290625467
1352192660
143106aa63
151d6a8d71
hex13504e4f

324030031 has 4 divisors (see below), whose sum is σ = 348955432. Its totient is φ = 299104632.

The previous prime is 324030029. The next prime is 324030061. The reversal of 324030031 is 130030423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130030423 = 145389491.

It is a cyclic number.

It is not a de Polignac number, because 324030031 - 21 = 324030029 is a prime.

It is a super-2 number, since 2×3240300312 = 209990921979721922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324029987 and 324030014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324030061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12462681 + ... + 12462706.

It is an arithmetic number, because the mean of its divisors is an integer number (87238858).

Almost surely, 2324030031 is an apocalyptic number.

324030031 is a deficient number, since it is larger than the sum of its proper divisors (24925401).

324030031 is a wasteful number, since it uses less digits than its factorization.

324030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24925400.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 324030031 is about 18000.8341751153. The cubic root of 324030031 is about 686.8497651933.

Adding to 324030031 its reverse (130030423), we get a palindrome (454060454).

The spelling of 324030031 in words is "three hundred twenty-four million, thirty thousand, thirty-one".

Divisors: 1 13 24925387 324030031