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231131000131132 = 2282769870314429
BaseRepresentation
bin110100100011011001100001…
…001010001100111000111100
31010022100220111210121102011011
4310203121201022030320330
5220243322242013144012
62135324040550405004
766453443435345443
oct6443314112147074
91108326453542134
10231131000131132
116771111a001782
1221b0a8a0360764
139bc7737b2324a
144110b2b665d5a
151bac3ab14d1a7
hexd2366128ce3c

231131000131132 has 12 divisors (see below), whose sum is σ = 404968342436280. Its totient is φ = 115425759435056.

The previous prime is 231131000131069. The next prime is 231131000131139.

231131000131132 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231131000131139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34935153907 + ... + 34935160522.

It is an arithmetic number, because the mean of its divisors is an integer number (33747361869690).

Almost surely, 2231131000131132 is an apocalyptic number.

It is an amenable number.

231131000131132 is a deficient number, since it is larger than the sum of its proper divisors (173837342305148).

231131000131132 is a wasteful number, since it uses less digits than its factorization.

231131000131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69870315260 (or 69870315258 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

It can be divided in two parts, 231131000 and 131132, that added together give a palindrome (231262132).

The spelling of 231131000131132 in words is "two hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 827 1654 3308 69870314429 139740628858 279481257716 57782750032783 115565500065566 231131000131132