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1230131053 is a prime number
BaseRepresentation
bin100100101010010…
…0100111101101101
310011201201010120101
41021110210331231
510004403143203
6322021551101
742324640624
oct11124447555
93151633511
101230131053
11581416738
122a3b75491
13167b13cc8
14b95346bb
1572edd41d
hex49524f6d

1230131053 has 2 divisors, whose sum is σ = 1230131054. Its totient is φ = 1230131052.

The previous prime is 1230131051. The next prime is 1230131081. The reversal of 1230131053 is 3501310321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1131784164 + 98346889 = 33642^2 + 9917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230131053 - 21 = 1230131051 is a prime.

Together with 1230131051, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1230131053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230131051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615065526 + 615065527.

It is an arithmetic number, because the mean of its divisors is an integer number (615065527).

Almost surely, 21230131053 is an apocalyptic number.

It is an amenable number.

1230131053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230131053 is an equidigital number, since it uses as much as digits as its factorization.

1230131053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1230131053 is about 35073.2241603192. The cubic root of 1230131053 is about 1071.4793213455.

Adding to 1230131053 its reverse (3501310321), we get a palindrome (4731441374).

The spelling of 1230131053 in words is "one billion, two hundred thirty million, one hundred thirty-one thousand, fifty-three".