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231301411141 = 29449109716193
BaseRepresentation
bin1101011101101010100…
…0110111000101000101
3211010000210102010100011
43113122220313011011
512242201130124031
6254131451550221
722465602361303
oct3273250670505
9733023363304
10231301411141
118a104686729
12389b245b371
1318a721c4628
14b2a32d7273
15603b46b6b1
hex35daa37145

231301411141 has 16 divisors (see below), whose sum is σ = 240043662000. Its totient is φ = 222611243008.

The previous prime is 231301411111. The next prime is 231301411189. The reversal of 231301411141 is 141114103132.

It can be written as a sum of positive squares in 8 ways, for example, as 18476964900 + 212824446241 = 135930^2 + 461329^2 .

It is a cyclic number.

It is not a de Polignac number, because 231301411141 - 225 = 231267856709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301411111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14275941 + ... + 14292133.

It is an arithmetic number, because the mean of its divisors is an integer number (15002728875).

Almost surely, 2231301411141 is an apocalyptic number.

It is an amenable number.

231301411141 is a deficient number, since it is larger than the sum of its proper divisors (8742250859).

231301411141 is a wasteful number, since it uses less digits than its factorization.

231301411141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17768.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 231301411141 its reverse (141114103132), we get a palindrome (372415514273).

The spelling of 231301411141 in words is "two hundred thirty-one billion, three hundred one million, four hundred eleven thousand, one hundred forty-one".

Divisors: 1 29 449 1097 13021 16193 31813 469597 492553 7270657 14284037 17763721 210849053 515147909 7975910729 231301411141