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7140030431 is a prime number
BaseRepresentation
bin1101010011001010…
…00011011111011111
3200102121020010102112
412221211003133133
5104110321433211
63140255344235
7341636154152
oct65145033737
920377203375
107140030431
1130343a75a6
12147322207b
1389a3240a1
144ba3abc99
152bbc7988b
hex1a99437df

7140030431 has 2 divisors, whose sum is σ = 7140030432. Its totient is φ = 7140030430.

The previous prime is 7140030409. The next prime is 7140030449. The reversal of 7140030431 is 1340300417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7140030431 - 218 = 7139768287 is a prime.

It is a super-2 number, since 2×71400304312 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7140030397 and 7140030406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140000431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570015215 + 3570015216.

It is an arithmetic number, because the mean of its divisors is an integer number (3570015216).

Almost surely, 27140030431 is an apocalyptic number.

7140030431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140030431 is an equidigital number, since it uses as much as digits as its factorization.

7140030431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 7140030431 is about 84498.7007651597. The cubic root of 7140030431 is about 1925.6027060649.

Adding to 7140030431 its reverse (1340300417), we get a palindrome (8480330848).

The spelling of 7140030431 in words is "seven billion, one hundred forty million, thirty thousand, four hundred thirty-one".