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323012131 = 1324847087
BaseRepresentation
bin10011010000001…
…100011000100011
3211111210201100021
4103100030120203
51130142342011
652015134311
711001362221
oct2320143043
9744721307
10323012131
11156371882
1290214397
1351bc7250
1430c83b11
151d557471
hex1340c623

323012131 has 4 divisors (see below), whose sum is σ = 347859232. Its totient is φ = 298165032.

The previous prime is 323012113. The next prime is 323012143. The reversal of 323012131 is 131210323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131210323 = 472791709.

It is a cyclic number.

It is not a de Polignac number, because 323012131 - 25 = 323012099 is a prime.

It is a super-2 number, since 2×3230121312 = 208673673546322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323012111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12423531 + ... + 12423556.

It is an arithmetic number, because the mean of its divisors is an integer number (86964808).

Almost surely, 2323012131 is an apocalyptic number.

323012131 is a deficient number, since it is larger than the sum of its proper divisors (24847101).

323012131 is a wasteful number, since it uses less digits than its factorization.

323012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24847100.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 323012131 is about 17972.5382458906. The cubic root of 323012131 is about 686.1297930909.

Adding to 323012131 its reverse (131210323), we get a palindrome (454222454).

The spelling of 323012131 in words is "three hundred twenty-three million, twelve thousand, one hundred thirty-one".

Divisors: 1 13 24847087 323012131