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2135602031 is a prime number
BaseRepresentation
bin111111101001010…
…1011001101101111
312111211111211020112
41333102223031233
513333203231111
6551525210235
7103631213663
oct17722531557
95454454215
102135602031
119a6545462
124b726097b
132805a4954
141638b68a3
15c774ae8b
hex7f4ab36f

2135602031 has 2 divisors, whose sum is σ = 2135602032. Its totient is φ = 2135602030.

The previous prime is 2135602013. The next prime is 2135602037. The reversal of 2135602031 is 1302065312.

Together with previous prime (2135602013) 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 2135602031 - 222 = 2131407727 is a prime.

It is a super-2 number, since 2×21356020312 = 9121592069622649922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2135601988 and 2135602006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2135602037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067801015 + 1067801016.

It is an arithmetic number, because the mean of its divisors is an integer number (1067801016).

Almost surely, 22135602031 is an apocalyptic number.

2135602031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135602031 is an equidigital number, since it uses as much as digits as its factorization.

2135602031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2135602031 is about 46212.5743818714. The cubic root of 2135602031 is about 1287.7753518720.

Adding to 2135602031 its reverse (1302065312), we get a palindrome (3437667343).

The spelling of 2135602031 in words is "two billion, one hundred thirty-five million, six hundred two thousand, thirty-one".