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1030212101 is a prime number
BaseRepresentation
bin111101011001111…
…100101000000101
32122210112012022202
4331121330220011
54102213241401
6250121004245
734346441552
oct7531745005
92583465282
101030212101
11489589666
12249023685
13135587879
149ab73a29
156069d06b
hex3d67ca05

1030212101 has 2 divisors, whose sum is σ = 1030212102. Its totient is φ = 1030212100.

The previous prime is 1030212089. The next prime is 1030212109. The reversal of 1030212101 is 1012120301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586899076 + 443313025 = 24226^2 + 21055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030212101 - 218 = 1029949957 is a prime.

It is a super-2 number, since 2×10302121012 = 2122673946093668402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030212109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515106050 + 515106051.

It is an arithmetic number, because the mean of its divisors is an integer number (515106051).

Almost surely, 21030212101 is an apocalyptic number.

It is an amenable number.

1030212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030212101 is an equidigital number, since it uses as much as digits as its factorization.

1030212101 is an evil number, because the sum of its binary digits is even.

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

The square root of 1030212101 is about 32096.9173130380. The cubic root of 1030212101 is about 1009.9709500516.

Adding to 1030212101 its reverse (1012120301), we get a palindrome (2042332402).

The spelling of 1030212101 in words is "one billion, thirty million, two hundred twelve thousand, one hundred one".