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2331002131 = 16729139339
BaseRepresentation
bin1000101011110000…
…0100010100010011
320000110012011210021
42022330010110103
514233214032011
61023145244311
7111523122403
oct21274042423
96013164707
102331002131
11a96876447
12550793697
132b1c0b303
1418181c803
15d9997471
hex8af04513

2331002131 has 4 divisors (see below), whose sum is σ = 2331158200. Its totient is φ = 2330846064.

The previous prime is 2331002101. The next prime is 2331002143. The reversal of 2331002131 is 1312001332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2331002131 - 211 = 2331000083 is a prime.

It is a super-2 number, since 2×23310021312 = 10867141869453082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331002101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52941 + ... + 86398.

It is an arithmetic number, because the mean of its divisors is an integer number (582789550).

Almost surely, 22331002131 is an apocalyptic number.

2331002131 is a deficient number, since it is larger than the sum of its proper divisors (156069).

2331002131 is a wasteful number, since it uses less digits than its factorization.

2331002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156068.

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

The square root of 2331002131 is about 48280.4528872711. The cubic root of 2331002131 is about 1325.9105417590.

Adding to 2331002131 its reverse (1312001332), we get a palindrome (3643003463).

The spelling of 2331002131 in words is "two billion, three hundred thirty-one million, two thousand, one hundred thirty-one".

Divisors: 1 16729 139339 2331002131