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1030231231481 is a prime number
BaseRepresentation
bin11101111110111101001…
…00010000101111111001
310122111012120211002211002
432333132210100233321
5113334403143401411
62105140502414345
7134301042660104
oct16773644205771
93574176732732
101030231231481
11367a11743621
121477ba4313b5
13761c55315aa
1437c1348373b
151bbea81833b
hexefde910bf9

1030231231481 has 2 divisors, whose sum is σ = 1030231231482. Its totient is φ = 1030231231480.

The previous prime is 1030231231417. The next prime is 1030231231487. The reversal of 1030231231481 is 1841321320301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 968287488256 + 61943743225 = 984016^2 + 248885^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030231231481 - 26 = 1030231231417 is a prime.

It is a super-2 number, since 2×10302312314812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030231231487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515115615740 + 515115615741.

It is an arithmetic number, because the mean of its divisors is an integer number (515115615741).

Almost surely, 21030231231481 is an apocalyptic number.

It is an amenable number.

1030231231481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030231231481 is an equidigital number, since it uses as much as digits as its factorization.

1030231231481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 1030231231481 its reverse (1841321320301), we get a palindrome (2871552551782).

The spelling of 1030231231481 in words is "one trillion, thirty billion, two hundred thirty-one million, two hundred thirty-one thousand, four hundred eighty-one".