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BaseRepresentation
bin11101011110111000010…
…10011010100011011001
310120211202110222100101112
432233130022122203121
5113044121311013111
62053212034030105
7133121233462523
oct16573412324331
93524673870345
101013011032281
11360685356036
121443b3418335
13746aca30c01
143705c444a13
151b53db46e8b
hexebdc29a8d9

1013011032281 has 2 divisors, whose sum is σ = 1013011032282. Its totient is φ = 1013011032280.

The previous prime is 1013011032263. The next prime is 1013011032323. The reversal of 1013011032281 is 1822301103101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013010042256 + 990025 = 1006484^2 + 995^2 .

It is an emirp because it is prime and its reverse (1822301103101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013011032281 - 210 = 1013011031257 is a prime.

It is a super-2 number, since 2×10130110322812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013011032211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506505516140 + 506505516141.

It is an arithmetic number, because the mean of its divisors is an integer number (506505516141).

Almost surely, 21013011032281 is an apocalyptic number.

It is an amenable number.

1013011032281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013011032281 is an equidigital number, since it uses as much as digits as its factorization.

1013011032281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 1013011032281 its reverse (1822301103101), we get a palindrome (2835312135382).

The spelling of 1013011032281 in words is "one trillion, thirteen billion, eleven million, thirty-two thousand, two hundred eighty-one".