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2131322001 = 31275594021
BaseRepresentation
bin111111100001001…
…0110010010010001
312111112110101010220
41333002112102101
513331104301001
6551253343253
7103546636524
oct17702262221
95445411126
102131322001
119a4091846
124b5937b29
1327c7367a3
141630c0bbb
15c71a2c36
hex7f096491

2131322001 has 8 divisors (see below), whose sum is σ = 2864139264. Its totient is φ = 1409693040.

The previous prime is 2131321999. The next prime is 2131322003. The reversal of 2131322001 is 1002231312.

It is an interprime number because it is at equal distance from previous prime (2131321999) and next prime (2131322003).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131322001 - 21 = 2131321999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131322003) 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, 2796630 + ... + 2797391.

It is an arithmetic number, because the mean of its divisors is an integer number (358017408).

Almost surely, 22131322001 is an apocalyptic number.

It is an amenable number.

2131322001 is a deficient number, since it is larger than the sum of its proper divisors (732817263).

2131322001 is a wasteful number, since it uses less digits than its factorization.

2131322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5594151.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131322001 is about 46166.2430895129. The cubic root of 2131322001 is about 1286.9144855939.

Adding to 2131322001 its reverse (1002231312), we get a palindrome (3133553313).

The spelling of 2131322001 in words is "two billion, one hundred thirty-one million, three hundred twenty-two thousand, one".

Divisors: 1 3 127 381 5594021 16782063 710440667 2131322001