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231103131203132 = 2257775782800783
BaseRepresentation
bin110100100010111111100100…
…000010101011011000111100
31010022021020120120022011222122
4310202333210002223120330
5220242343203042000012
62135303151322502112
766451436013355466
oct6442774402533074
91108236516264878
10231103131203132
1167700318799681
1221b05403064938
139bc4c16107bc6
14410d646275136
151bab7c9677e72
hexd22fe40ab63c

231103131203132 has 6 divisors (see below), whose sum is σ = 404430479605488. Its totient is φ = 115551565601564.

The previous prime is 231103131203111. The next prime is 231103131203159. The reversal of 231103131203132 is 231302131301132.

231103131203132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28887891400388 + ... + 28887891400395.

It is an arithmetic number, because the mean of its divisors is an integer number (67405079934248).

Almost surely, 2231103131203132 is an apocalyptic number.

It is an amenable number.

231103131203132 is a deficient number, since it is larger than the sum of its proper divisors (173327348402356).

231103131203132 is a wasteful number, since it uses less digits than its factorization.

231103131203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57775782800787 (or 57775782800785 counting only the distinct ones).

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

Adding to 231103131203132 its reverse (231302131301132), we get a palindrome (462405262504264).

The spelling of 231103131203132 in words is "two hundred thirty-one trillion, one hundred three billion, one hundred thirty-one million, two hundred three thousand, one hundred thirty-two".

Divisors: 1 2 4 57775782800783 115551565601566 231103131203132