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1231013411 is a prime number
BaseRepresentation
bin100100101011111…
…1100011000100011
310011210100221221022
41021113330120203
510010114412121
6322052520055
742335304245
oct11127743043
93153327838
101231013411
11581969661
122a432002b
13168062804
14b96c4095
1573114aab
hex495fc623

1231013411 has 2 divisors, whose sum is σ = 1231013412. Its totient is φ = 1231013410.

The previous prime is 1231013393. The next prime is 1231013437. The reversal of 1231013411 is 1143101321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1231013411 - 218 = 1230751267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1231013411.

It is not a weakly prime, because it can be changed into another prime (1231013491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615506705 + 615506706.

It is an arithmetic number, because the mean of its divisors is an integer number (615506706).

Almost surely, 21231013411 is an apocalyptic number.

1231013411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231013411 is an equidigital number, since it uses as much as digits as its factorization.

1231013411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1231013411 is about 35085.8007034185. The cubic root of 1231013411 is about 1071.7354464661.

Adding to 1231013411 its reverse (1143101321), we get a palindrome (2374114732).

The spelling of 1231013411 in words is "one billion, two hundred thirty-one million, thirteen thousand, four hundred eleven".