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2131320302 = 24179329009
BaseRepresentation
bin111111100001001…
…0101110111101110
312111112110021210222
41333002111313232
513331104222202
6551253331342
7103546631546
oct17702256756
95445407728
102131320302
119a4090541
124b5936b52
1327c735a97
141630c0326
15c71a24a2
hex7f095dee

2131320302 has 16 divisors (see below), whose sum is σ = 3316420800. Its totient is φ = 1026504960.

The previous prime is 2131320283. The next prime is 2131320341. The reversal of 2131320302 is 2030231312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158027 + ... + 170982.

It is an arithmetic number, because the mean of its divisors is an integer number (207276300).

Almost surely, 22131320302 is an apocalyptic number.

2131320302 is a deficient number, since it is larger than the sum of its proper divisors (1185100498).

2131320302 is a wasteful number, since it uses less digits than its factorization.

2131320302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329131.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2131320302 is about 46166.2246886184. The cubic root of 2131320302 is about 1286.9141436359.

Adding to 2131320302 its reverse (2030231312), we get a palindrome (4161551614).

The spelling of 2131320302 in words is "two billion, one hundred thirty-one million, three hundred twenty thousand, three hundred two".

Divisors: 1 2 41 79 82 158 3239 6478 329009 658018 13489369 25991711 26978738 51983422 1065660151 2131320302