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231343141343132 = 227132285927803407
BaseRepresentation
bin110100100110011111000101…
…110000101100111110011100
31010100010012002021201120110002
4310212133011300230332130
5220310311223140440012
62140005323313033432
766504663464035130
oct6446370560547634
91110105067646402
10231343141343132
1167793091204185
1221b43a25b55878
139c11745619b20
14411b0d40033c0
151bb2b754387c2
hexd267c5c2cf9c

231343141343132 has 48 divisors (see below), whose sum is σ = 498299350993920. Its totient is φ = 91516356626112.

The previous prime is 231343141343117. The next prime is 231343141343177.

231343141343132 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5581028 + ... + 22222379.

It is an arithmetic number, because the mean of its divisors is an integer number (10381236479040).

Almost surely, 2231343141343132 is an apocalyptic number.

It is an amenable number.

231343141343132 is an abundant number, since it is smaller than the sum of its proper divisors (266956209650788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231343141343132 is a wasteful number, since it uses less digits than its factorization.

231343141343132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27826290 (or 27826288 counting only the distinct ones).

The product of its digits is 186624, while the sum is 38.

The spelling of 231343141343132 in words is "two hundred thirty-one trillion, three hundred forty-three billion, one hundred forty-one million, three hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 22859 45718 91436 160013 297167 320026 594334 640052 1188668 2080169 4160338 8320676 27803407 55606814 111213628 194623849 361444291 389247698 722888582 778495396 1445777164 2530110037 5060220074 10120440148 635558080613 1271116161226 2542232322452 4448906564291 8262255047969 8897813128582 16524510095938 17795626257164 33049020191876 57835785335783 115671570671566 231343141343132