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3128469031 is a prime number
BaseRepresentation
bin1011101001111000…
…1010011000100111
322002000202200201101
42322132022120213
522401342002111
61234233540531
7140345355652
oct27236123047
98060680641
103128469031
111365a370a6
12733874747
133ab1b520c
142196c8899
151349bdbc1
hexba78a627

3128469031 has 2 divisors, whose sum is σ = 3128469032. Its totient is φ = 3128469030.

The previous prime is 3128469017. The next prime is 3128469049. The reversal of 3128469031 is 1309648213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3128469031 - 217 = 3128337959 is a prime.

It is a super-2 number, since 2×31284690312 = 19574636955852157922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3128469011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564234515 + 1564234516.

It is an arithmetic number, because the mean of its divisors is an integer number (1564234516).

Almost surely, 23128469031 is an apocalyptic number.

3128469031 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128469031 is an equidigital number, since it uses as much as digits as its factorization.

3128469031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3128469031 is about 55932.7187878437. The cubic root of 3128469031 is about 1462.5496561512.

The spelling of 3128469031 in words is "three billion, one hundred twenty-eight million, four hundred sixty-nine thousand, thirty-one".