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231431041403103 = 31731258973541921
BaseRepresentation
bin110100100111110000111101…
…000000110100100011011111
31010100102120222012012021101210
4310213300331000310203133
5220313231233044344403
62140113541440235503
766514224644154423
oct6447607500644337
91110376865167353
10231431041403103
1167817398528243
1221b58a7760bb93
139c19b13372629
14412147206cb83
151bb50bc260b03
hexd27c3d0348df

231431041403103 has 16 divisors (see below), whose sum is σ = 310360943585376. Its totient is φ = 153394264750080.

The previous prime is 231431041403017. The next prime is 231431041403113. The reversal of 231431041403103 is 301304140134132.

It is not a de Polignac number, because 231431041403103 - 212 = 231431041399007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231431041403113) 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, 63569583 + ... + 67111503.

It is an arithmetic number, because the mean of its divisors is an integer number (19397558974086).

Almost surely, 2231431041403103 is an apocalyptic number.

231431041403103 is a deficient number, since it is larger than the sum of its proper divisors (78929902182273).

231431041403103 is a wasteful number, since it uses less digits than its factorization.

231431041403103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667994.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 231431041403103 its reverse (301304140134132), we get a palindrome (532735181537235).

The spelling of 231431041403103 in words is "two hundred thirty-one trillion, four hundred thirty-one billion, forty-one million, four hundred three thousand, one hundred three".

Divisors: 1 3 173 519 125897 377691 3541921 10625763 21780181 65340543 612752333 1838256999 445917228137 1337751684411 77143680467701 231431041403103