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3131202323 is a prime number
BaseRepresentation
bin1011101010100010…
…0101101100010011
322002012220120002102
42322220211230103
522403041433243
61234412311015
7140410531514
oct27250455423
98065816072
103131202323
111367533717
1273477246b
133ab931352
14219bdaa0b
15134d5d9b8
hexbaa25b13

3131202323 has 2 divisors, whose sum is σ = 3131202324. Its totient is φ = 3131202322.

The previous prime is 3131202301. The next prime is 3131202401. The reversal of 3131202323 is 3232021313.

3131202323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3232021313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3131202323 - 210 = 3131201299 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131202295 and 3131202304.

It is not a weakly prime, because it can be changed into another prime (3131202023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565601161 + 1565601162.

It is an arithmetic number, because the mean of its divisors is an integer number (1565601162).

Almost surely, 23131202323 is an apocalyptic number.

3131202323 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131202323 is an equidigital number, since it uses as much as digits as its factorization.

3131202323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3131202323 is about 55957.1472021224. The cubic root of 3131202323 is about 1462.9754673701.

Adding to 3131202323 its reverse (3232021313), we get a palindrome (6363223636).

The spelling of 3131202323 in words is "three billion, one hundred thirty-one million, two hundred two thousand, three hundred twenty-three".