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3130032020881 is a prime number
BaseRepresentation
bin101101100011000100011…
…100100101110110010001
3102002020011022110100110111
4231203010130211312101
5402240301144132011
610353530013001321
7442065053124553
oct55430434456621
912066138410414
103130032020881
11aa7491526647
12426755483241
131992122364ac
14ab6cc7394d3
15566452d0121
hex2d8c4725d91

3130032020881 has 2 divisors, whose sum is σ = 3130032020882. Its totient is φ = 3130032020880.

The previous prime is 3130032020849. The next prime is 3130032021019. The reversal of 3130032020881 is 1880202300313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2049764890000 + 1080267130881 = 1431700^2 + 1039359^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130032020881 - 25 = 3130032020849 is a prime.

It is a super-2 number, since 2×31300320208812 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3130032050881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565016010440 + 1565016010441.

It is an arithmetic number, because the mean of its divisors is an integer number (1565016010441).

Almost surely, 23130032020881 is an apocalyptic number.

It is an amenable number.

3130032020881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3130032020881 is an equidigital number, since it uses as much as digits as its factorization.

3130032020881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 3130032020881 in words is "three trillion, one hundred thirty billion, thirty-two million, twenty thousand, eight hundred eighty-one".