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1431210031 is a prime number
BaseRepresentation
bin101010101001110…
…1000100000101111
310200202002000001221
41111103220200233
510412342210111
6354003444211
750316040666
oct12523504057
93622060057
101431210031
11674976309
1233b386667
1319a688454
14d8117ddd
15859ac371
hex554e882f

1431210031 has 2 divisors, whose sum is σ = 1431210032. Its totient is φ = 1431210030.

The previous prime is 1431210013. The next prime is 1431210043. The reversal of 1431210031 is 1300121341.

Together with previous prime (1431210013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1431210031 - 215 = 1431177263 is a prime.

It is a super-2 number, since 2×14312100312 = 4096724305670041922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1431209987 and 1431210014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431210091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715605015 + 715605016.

It is an arithmetic number, because the mean of its divisors is an integer number (715605016).

Almost surely, 21431210031 is an apocalyptic number.

1431210031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431210031 is an equidigital number, since it uses as much as digits as its factorization.

1431210031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1431210031 is about 37831.3366271931. The cubic root of 1431210031 is about 1126.9408553969.

Adding to 1431210031 its reverse (1300121341), we get a palindrome (2731331372).

The spelling of 1431210031 in words is "one billion, four hundred thirty-one million, two hundred ten thousand, thirty-one".