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231132030001023 = 32083168432195989
BaseRepresentation
bin110100100011011010011110…
…100010110101111101111111
31010022101000011120111020001110
4310203122132202311331333
5220243331344140013043
62135324331100213103
766453511112163534
oct6443323642657577
91108330146436043
10231132030001023
11677115a8377218
1221b0ab2923a193
139bc78702bb108
144110bc834ad8b
151bac41b77eb33
hexd2369e8b5f7f

231132030001023 has 16 divisors (see below), whose sum is σ = 308342434348160. Its totient is φ = 154004831686944.

The previous prime is 231132030001009. The next prime is 231132030001051. The reversal of 231132030001023 is 320100030231132.

It is not a de Polignac number, because 231132030001023 - 24 = 231132030001007 is a prime.

It is a super-2 number, since 2×2311320300010232 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231132030001003) 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, 104153913 + ... + 106349901.

It is an arithmetic number, because the mean of its divisors is an integer number (19271402146760).

Almost surely, 2231132030001023 is an apocalyptic number.

231132030001023 is a deficient number, since it is larger than the sum of its proper divisors (77210404347137).

231132030001023 is a wasteful number, since it uses less digits than its factorization.

231132030001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214918.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231132030001023 its reverse (320100030231132), we get a palindrome (551232060232155).

The spelling of 231132030001023 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, thirty million, one thousand, twenty-three".

Divisors: 1 3 2083 6249 16843 50529 2195989 6587967 35083969 105251907 4574245087 13722735261 36987042727 110961128181 77044010000341 231132030001023