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1030231232201 = 3133732875873
BaseRepresentation
bin11101111110111101001…
…00010000111011001001
310122111012120211010210202
432333132210100323021
5113334403143412301
62105140502421545
7134301042662153
oct16773644207311
93574176733722
101030231232201
11367a11744116
121477ba4318b5
13761c5531a12
1437c13483ad3
151bbea81866b
hexefde910ec9

1030231232201 has 4 divisors (see below), whose sum is σ = 1030264139412. Its totient is φ = 1030198324992.

The previous prime is 1030231232171. The next prime is 1030231232203. The reversal of 1030231232201 is 1022321320301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498351283600 + 531879948601 = 705940^2 + 729301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030231232201 - 238 = 755353325257 is a prime.

It is a super-2 number, since 2×10302312322012 (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 (1030231232203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16406600 + ... + 16469273.

It is an arithmetic number, because the mean of its divisors is an integer number (257566034853).

Almost surely, 21030231232201 is an apocalyptic number.

It is an amenable number.

1030231232201 is a deficient number, since it is larger than the sum of its proper divisors (32907211).

1030231232201 is an equidigital number, since it uses as much as digits as its factorization.

1030231232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32907210.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1030231232201 its reverse (1022321320301), we get a palindrome (2052552552502).

The spelling of 1030231232201 in words is "one trillion, thirty billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred one".

Divisors: 1 31337 32875873 1030231232201