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231131231231003 = 1920612475901671
BaseRepresentation
bin110100100011011001101110…
…111011110001110000011011
31010022100221002220110111120122
4310203121232323301300123
5220243323230143343003
62135324115523543455
766453452242562135
oct6443315673616033
91108327086414518
10231131231231003
11677112284a6504
1221b0a94582ab8b
139bc777397902c
144110b50222055
151bac3c159c238
hexd2366eef1c1b

231131231231003 has 8 divisors (see below), whose sum is σ = 243296192133120. Its totient is φ = 218966286254760.

The previous prime is 231131231230943. The next prime is 231131231231011. The reversal of 231131231231003 is 300132132131132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231131231231003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231131231231203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36212858 + ... + 42114528.

It is an arithmetic number, because the mean of its divisors is an integer number (30412024016640).

Almost surely, 2231131231231003 is an apocalyptic number.

231131231231003 is a deficient number, since it is larger than the sum of its proper divisors (12164960902117).

231131231231003 is a wasteful number, since it uses less digits than its factorization.

231131231231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962937.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 231131231231003 its reverse (300132132131132), we get a palindrome (531263363362135).

The spelling of 231131231231003 in words is "two hundred thirty-one trillion, one hundred thirty-one billion, two hundred thirty-one million, two hundred thirty-one thousand, three".

Divisors: 1 19 2061247 5901671 39163693 112131749 12164801643737 231131231231003