Search a number
-
+
1030231331121 = 3343410443707
BaseRepresentation
bin11101111110111101001…
…00101001000100110001
310122111012121000011111110
432333132210221010301
5113334403210043441
62105140504503533
7134301043553436
oct16773644510461
93574177004443
101030231331121
11367a11801473
121477ba47aba9
13761c5567a55
1437c134abb8d
151bbea837b16
hexefde929131

1030231331121 has 4 divisors (see below), whose sum is σ = 1373641774832. Its totient is φ = 686820887412.

The previous prime is 1030231331093. The next prime is 1030231331123. The reversal of 1030231331121 is 1211331320301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1030231331121 - 25 = 1030231331089 is a prime.

It is a super-2 number, since 2×10302313311212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030231331123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171705221851 + ... + 171705221856.

It is an arithmetic number, because the mean of its divisors is an integer number (343410443708).

Almost surely, 21030231331121 is an apocalyptic number.

It is an amenable number.

1030231331121 is a deficient number, since it is larger than the sum of its proper divisors (343410443711).

1030231331121 is an equidigital number, since it uses as much as digits as its factorization.

1030231331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343410443710.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1030231331121 its reverse (1211331320301), we get a palindrome (2241562651422).

The spelling of 1030231331121 in words is "one trillion, thirty billion, two hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 3 343410443707 1030231331121