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2420202131 is a prime number
BaseRepresentation
bin1001000001000001…
…0101101010010011
320020200001000011222
42100100111222103
514424032432011
61040053155255
7113655243614
oct22020255223
96220030158
102420202131
111032160756
1257662bb2b
132c7540089
1418d5dbc0b
15e2716ddb
hex90415a93

2420202131 has 2 divisors, whose sum is σ = 2420202132. Its totient is φ = 2420202130.

The previous prime is 2420202061. The next prime is 2420202137. The reversal of 2420202131 is 1312020242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2420202131 - 222 = 2416007827 is a prime.

It is a super-2 number, since 2×24202021312 = 11714756709793882322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2420202137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210101065 + 1210101066.

It is an arithmetic number, because the mean of its divisors is an integer number (1210101066).

Almost surely, 22420202131 is an apocalyptic number.

2420202131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420202131 is an equidigital number, since it uses as much as digits as its factorization.

2420202131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2420202131 is about 49195.5499105356. The cubic root of 2420202131 is about 1342.6120674861.

Adding to 2420202131 its reverse (1312020242), we get a palindrome (3732222373).

The spelling of 2420202131 in words is "two billion, four hundred twenty million, two hundred two thousand, one hundred thirty-one".