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1030331131 is a prime number
BaseRepresentation
bin111101011010011…
…001101011111011
32122210202020121021
4331122121223323
54102231044011
6250123323311
734350445564
oct7532315373
92583666537
101030331131
11489660035
12249080537
131355c9abb
149aba516b
15606c3471
hex3d699afb

1030331131 has 2 divisors, whose sum is σ = 1030331132. Its totient is φ = 1030331130.

The previous prime is 1030331033. The next prime is 1030331147. The reversal of 1030331131 is 1311330301.

It is an a-pointer prime, because the next prime (1030331147) can be obtained adding 1030331131 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1030331131 - 29 = 1030330619 is a prime.

It is a super-2 number, since 2×10303311312 = 2123164479015478322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030331231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515165565 + 515165566.

It is an arithmetic number, because the mean of its divisors is an integer number (515165566).

Almost surely, 21030331131 is an apocalyptic number.

1030331131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030331131 is an equidigital number, since it uses as much as digits as its factorization.

1030331131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1030331131 is about 32098.7714873950. The cubic root of 1030331131 is about 1010.0098456708.

Adding to 1030331131 its reverse (1311330301), we get a palindrome (2341661432).

The spelling of 1030331131 in words is "one billion, thirty million, three hundred thirty-one thousand, one hundred thirty-one".