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1011022031 is a prime number
BaseRepresentation
bin111100010000101…
…111100011001111
32121110102020111102
4330100233203033
54032310201111
6244153413315
734024355045
oct7420574317
92543366442
101011022031
114797718a8
1224270a23b
131315c8cb6
14983ba395
155db5c13b
hex3c42f8cf

1011022031 has 2 divisors, whose sum is σ = 1011022032. Its totient is φ = 1011022030.

The previous prime is 1011022009. The next prime is 1011022039. The reversal of 1011022031 is 1302201101.

It is a strong prime.

It is an emirp because it is prime and its reverse (1302201101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011022031 - 210 = 1011021007 is a prime.

It is a super-2 number, since 2×10110220312 = 2044331094334729922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011022039) 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, 505511015 + 505511016.

It is an arithmetic number, because the mean of its divisors is an integer number (505511016).

Almost surely, 21011022031 is an apocalyptic number.

1011022031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011022031 is an equidigital number, since it uses as much as digits as its factorization.

1011022031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1011022031 is about 31796.5726297662. The cubic root of 1011022031 is about 1003.6605940341.

Adding to 1011022031 its reverse (1302201101), we get a palindrome (2313223132).

The spelling of 1011022031 in words is "one billion, eleven million, twenty-two thousand, thirty-one".