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2131002323 = 19532299241
BaseRepresentation
bin111111100000100…
…1000001111010011
312111111212010121222
41333001020033103
513331014033243
6551242435255
7103544135522
oct17701101723
95444763558
102131002323
119a399364a
124b5802b2b
1327c654128
1416303a4b9
15c713d168
hex7f0483d3

2131002323 has 16 divisors (see below), whose sum is σ = 2295712800. Its totient is φ = 1971889920.

The previous prime is 2131002317. The next prime is 2131002337. The reversal of 2131002323 is 3232001312.

It is not a de Polignac number, because 2131002323 - 220 = 2129953747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131002373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225983 + ... + 235223.

It is an arithmetic number, because the mean of its divisors is an integer number (143482050).

Almost surely, 22131002323 is an apocalyptic number.

2131002323 is a deficient number, since it is larger than the sum of its proper divisors (164710477).

2131002323 is a wasteful number, since it uses less digits than its factorization.

2131002323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542.

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

The square root of 2131002323 is about 46162.7807113046. The cubic root of 2131002323 is about 1286.8501407383.

Adding to 2131002323 its reverse (3232001312), we get a palindrome (5363003635).

The spelling of 2131002323 in words is "two billion, one hundred thirty-one million, two thousand, three hundred twenty-three".

Divisors: 1 19 53 229 1007 4351 9241 12137 175579 230603 489773 2116189 9305687 40207591 112158017 2131002323